spi: Fix parameter types for spi functions
1. Use size_t instead of unsigned int for bytes_out and bytes_in.
2. Use const attribute for spi_slave structure passed into xfer, claim
bus and release bus functions.
BUG=chrome-os-partner:59832
BRANCH=None
TEST=Compiles successfully
Change-Id: Ie70b3520b51c42d750f907892545510c6058f85a
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17682
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/drivers/spi/spi_flash.c b/src/drivers/spi/spi_flash.c
index b2fdab9..b6d535a 100644
--- a/src/drivers/spi/spi_flash.c
+++ b/src/drivers/spi/spi_flash.c
@@ -48,8 +48,8 @@
* FIXME: This really should be abstracted better, but that will
* require overhauling the entire SPI infrastructure.
*/
-static int do_spi_flash_cmd(struct spi_slave *spi, const void *dout,
- unsigned int bytes_out, void *din, unsigned int bytes_in)
+static int do_spi_flash_cmd(const struct spi_slave *spi, const void *dout,
+ size_t bytes_out, void *din, size_t bytes_in)
{
int ret = 1;
diff --git a/src/drivers/spi/tpm/tpm.c b/src/drivers/spi/tpm/tpm.c
index 9651ea8..d364cb9 100644
--- a/src/drivers/spi/tpm/tpm.c
+++ b/src/drivers/spi/tpm/tpm.c
@@ -37,11 +37,11 @@
/* SPI Interface descriptor used by the driver. */
struct tpm_spi_if {
struct spi_slave *slave;
- int (*cs_assert)(struct spi_slave *slave);
- void (*cs_deassert)(struct spi_slave *slave);
- int (*xfer)(struct spi_slave *slave, const void *dout,
- unsigned bytesout, void *din,
- unsigned bytesin);
+ int (*cs_assert)(const struct spi_slave *slave);
+ void (*cs_deassert)(const struct spi_slave *slave);
+ int (*xfer)(const struct spi_slave *slave, const void *dout,
+ size_t bytesout, void *din,
+ size_t bytesin);
};
/* Use the common SPI driver wrapper as the interface callbacks. */
diff --git a/src/include/spi-generic.h b/src/include/spi-generic.h
index 347ec3c..7c53611 100644
--- a/src/include/spi-generic.h
+++ b/src/include/spi-generic.h
@@ -17,6 +17,7 @@
#define _SPI_GENERIC_H_
#include <stdint.h>
+#include <stddef.h>
/* Controller-specific definitions: */
@@ -67,7 +68,7 @@
* Returns: 0 if the bus was claimed successfully, or a negative value
* if it wasn't.
*/
-int spi_claim_bus(struct spi_slave *slave);
+int spi_claim_bus(const struct spi_slave *slave);
/*-----------------------------------------------------------------------
* Release the SPI bus
@@ -78,7 +79,7 @@
*
* slave: The SPI slave
*/
-void spi_release_bus(struct spi_slave *slave);
+void spi_release_bus(const struct spi_slave *slave);
/*-----------------------------------------------------------------------
* SPI transfer
@@ -92,10 +93,8 @@
*
* Returns: 0 on success, not 0 on failure
*/
-int spi_xfer(struct spi_slave *slave, const void *dout, unsigned int bytesout,
- void *din, unsigned int bytesin);
-
-
+int spi_xfer(const struct spi_slave *slave, const void *dout, size_t bytesout,
+ void *din, size_t bytesin);
unsigned int spi_crop_chunk(unsigned int cmd_len, unsigned int buf_len);
@@ -108,7 +107,7 @@
*
* TODO: This function probably shouldn't be inlined.
*/
-static inline int spi_w8r8(struct spi_slave *slave, unsigned char byte)
+static inline int spi_w8r8(const struct spi_slave *slave, unsigned char byte)
{
unsigned char dout[2];
unsigned char din[2];
diff --git a/src/soc/broadcom/cygnus/spi.c b/src/soc/broadcom/cygnus/spi.c
index d7c0a8d..13b6976 100644
--- a/src/soc/broadcom/cygnus/spi.c
+++ b/src/soc/broadcom/cygnus/spi.c
@@ -156,7 +156,7 @@
return 0;
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
struct qspi_priv *priv = to_qspi_slave(slave);
@@ -175,7 +175,7 @@
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
struct qspi_priv *priv = to_qspi_slave(slave);
@@ -189,8 +189,8 @@
#define RXRAM_8B(p, i) (REG_RD((p)->reg + MSPI_RXRAM_REG + \
((((i) << 1) + 1) << 2)) & 0xff)
-int spi_xfer(struct spi_slave *slave, const void *dout, unsigned int bytesout,
- void *din, unsigned int bytesin)
+int spi_xfer(const struct spi_slave *slave, const void *dout, size_t bytesout,
+ void *din, size_t bytesin)
{
struct qspi_priv *priv = to_qspi_slave(slave);
const u8 *tx = (const u8 *)dout;
diff --git a/src/soc/imgtec/pistachio/spi.c b/src/soc/imgtec/pistachio/spi.c
index 2b4b01c..307aec9 100644
--- a/src/soc/imgtec/pistachio/spi.c
+++ b/src/soc/imgtec/pistachio/spi.c
@@ -60,7 +60,7 @@
}
/* Transmitter function. Fills TX FIFO with data before enabling SPIM */
-static int transmitdata(struct spi_slave *slave, u8 *buffer, u32 size)
+static int transmitdata(const struct spi_slave *slave, u8 *buffer, u32 size)
{
u32 blocksize, base, write_data;
int ret;
@@ -97,7 +97,7 @@
}
/* Receiver function */
-static int receivedata(struct spi_slave *slave, u8 *buffer, u32 size)
+static int receivedata(const struct spi_slave *slave, u8 *buffer, u32 size)
{
u32 read_data, base;
int ret;
@@ -141,7 +141,7 @@
}
/* Sets port parameters in port state register. */
-static void setparams(struct spi_slave *slave, u32 port,
+static void setparams(const struct spi_slave *slave, u32 port,
struct spim_device_parameters *params)
{
u32 spim_parameters, port_state, base;
@@ -247,7 +247,7 @@
}
/* Checks the given buffer information */
-static int check_buffers(struct spi_slave *slave, struct spim_buffer *first,
+static int check_buffers(const struct spi_slave *slave, struct spim_buffer *first,
struct spim_buffer *second){
if (!(container_of(slave, struct img_spi_slave, slave)->initialised))
@@ -325,7 +325,7 @@
}
/* Function that carries out read/write operations */
-static int spim_io(struct spi_slave *slave, struct spim_buffer *first,
+static int spim_io(const struct spi_slave *slave, struct spim_buffer *first,
struct spim_buffer *second)
{
u32 reg, base;
@@ -459,7 +459,7 @@
}
/* Claim the bus and prepare it for communication */
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
int ret;
struct img_spi_slave *img_slave;
@@ -490,7 +490,7 @@
}
/* Release the SPI bus */
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
struct img_spi_slave *img_slave;
@@ -508,8 +508,8 @@
}
/* SPI transfer */
-static int do_spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int bytesout, void *din, unsigned int bytesin)
+static int do_spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t bytesout, void *din, size_t bytesin)
{
struct spim_buffer buff_0;
struct spim_buffer buff_1;
@@ -532,8 +532,8 @@
return spim_io(slave, &buff_0, (dout && din) ? &buff_1 : NULL);
}
-int spi_xfer(struct spi_slave *slave, const void *dout, unsigned int bytesout,
- void *din, unsigned int bytesin)
+int spi_xfer(const struct spi_slave *slave, const void *dout, size_t bytesout,
+ void *din, size_t bytesin)
{
unsigned int in_sz, out_sz;
int ret;
diff --git a/src/soc/intel/apollolake/spi.c b/src/soc/intel/apollolake/spi.c
index eab3a12..6e873f4 100644
--- a/src/soc/intel/apollolake/spi.c
+++ b/src/soc/intel/apollolake/spi.c
@@ -184,8 +184,8 @@
return MIN(buf_len, SPIBAR_FDATA_FIFO_SIZE);
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int bytesout, void *din, unsigned int bytesin)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t bytesout, void *din, size_t bytesin)
{
printk(BIOS_DEBUG, "NOT IMPLEMENTED: %s() !!!\n", __func__);
return E_NOT_IMPLEMENTED;
@@ -215,13 +215,13 @@
pci_write_config32(ctx->pci_dev, SPIBAR_BIOS_CONTROL, bios_ctl);
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
/* There's nothing we need to to here. */
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
/* No magic needed here. */
}
diff --git a/src/soc/intel/baytrail/spi.c b/src/soc/intel/baytrail/spi.c
index 1f2b285..13f8806 100644
--- a/src/soc/intel/baytrail/spi.c
+++ b/src/soc/intel/baytrail/spi.c
@@ -317,13 +317,13 @@
BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_ENTRY, spi_init_cb, NULL);
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
/* Handled by ICH automatically. */
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
/* Handled by ICH automatically. */
}
@@ -489,8 +489,8 @@
return min(cntlr.databytes, buf_len);
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int bytesout, void *din, unsigned int bytesin)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t bytesout, void *din, size_t bytesin)
{
uint16_t control;
int16_t opcode_index;
diff --git a/src/soc/intel/braswell/spi.c b/src/soc/intel/braswell/spi.c
index 01f2150..34e031b 100644
--- a/src/soc/intel/braswell/spi.c
+++ b/src/soc/intel/braswell/spi.c
@@ -296,13 +296,13 @@
BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_ENTRY, spi_init_cb, NULL);
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
/* Handled by ICH automatically. */
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
/* Handled by ICH automatically. */
}
@@ -470,8 +470,8 @@
return min(cntlr.databytes, buf_len);
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int bytesout, void *din, unsigned int bytesin)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t bytesout, void *din, size_t bytesin)
{
uint16_t control;
int16_t opcode_index;
diff --git a/src/soc/intel/broadwell/spi.c b/src/soc/intel/broadwell/spi.c
index c7ac09c..6aa7dd3 100644
--- a/src/soc/intel/broadwell/spi.c
+++ b/src/soc/intel/broadwell/spi.c
@@ -313,13 +313,13 @@
BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_ENTRY, spi_init_cb, NULL);
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
/* Handled by ICH automatically. */
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
/* Handled by ICH automatically. */
}
@@ -485,8 +485,8 @@
return min(cntlr.databytes, buf_len);
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int bytesout, void *din, unsigned int bytesin)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t bytesout, void *din, size_t bytesin)
{
uint16_t control;
int16_t opcode_index;
diff --git a/src/soc/intel/fsp_baytrail/spi.c b/src/soc/intel/fsp_baytrail/spi.c
index 1ab73f3..232366c 100644
--- a/src/soc/intel/fsp_baytrail/spi.c
+++ b/src/soc/intel/fsp_baytrail/spi.c
@@ -297,13 +297,13 @@
cntlr.preop = &ich9_spi->preop;
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
/* Handled by ICH automatically. */
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
/* Handled by ICH automatically. */
}
@@ -469,8 +469,8 @@
return min(cntlr.databytes, buf_len);
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int bytesout, void *din, unsigned int bytesin)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t bytesout, void *din, size_t bytesin)
{
uint16_t control;
int16_t opcode_index;
diff --git a/src/soc/intel/fsp_broadwell_de/spi.c b/src/soc/intel/fsp_broadwell_de/spi.c
index 116001f..c38fbce 100644
--- a/src/soc/intel/fsp_broadwell_de/spi.c
+++ b/src/soc/intel/fsp_broadwell_de/spi.c
@@ -312,13 +312,13 @@
pci_write_config_byte(dev, 0xdc, bios_cntl | 0x1);
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
/* Handled by ICH automatically. */
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
/* Handled by ICH automatically. */
}
@@ -484,8 +484,8 @@
return min(cntlr.databytes, buf_len);
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int bytesout, void *din, unsigned int bytesin)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t bytesout, void *din, size_t bytesin)
{
uint16_t control;
int16_t opcode_index;
diff --git a/src/soc/intel/skylake/flash_controller.c b/src/soc/intel/skylake/flash_controller.c
index cc6c20a..8aee796 100644
--- a/src/soc/intel/skylake/flash_controller.c
+++ b/src/soc/intel/skylake/flash_controller.c
@@ -151,8 +151,8 @@
return size;
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int bytesout, void *din, unsigned int bytesin)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t bytesout, void *din, size_t bytesin)
{
/* TODO: Define xfer for hardware sequencing. */
return -1;
@@ -170,13 +170,13 @@
pci_write_config_byte(dev, SPIBAR_BIOS_CNTL, bios_cntl);
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
/* Handled by PCH automatically. */
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
/* Handled by PCH automatically. */
}
diff --git a/src/soc/marvell/armada38x/spi.c b/src/soc/marvell/armada38x/spi.c
index 6a0e062..af0a279 100644
--- a/src/soc/marvell/armada38x/spi.c
+++ b/src/soc/marvell/armada38x/spi.c
@@ -409,8 +409,8 @@
return MV_OK;
}
-static int mrvl_spi_xfer(struct spi_slave *slave,
- unsigned int bitlen,
+static int mrvl_spi_xfer(const struct spi_slave *slave,
+ size_t bitlen,
const void *dout,
void *din)
{
@@ -454,14 +454,14 @@
return slave;
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
mv_spi_cs_set(slave->bus, slave->cs);
mv_spi_cs_assert(slave->bus);
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
mv_spi_cs_deassert(slave->bus);
}
@@ -471,11 +471,11 @@
return buf_len;
}
-int spi_xfer(struct spi_slave *slave,
+int spi_xfer(const struct spi_slave *slave,
const void *dout,
- unsigned out_bytes,
+ size_t out_bytes,
void *din,
- unsigned in_bytes)
+ size_t in_bytes)
{
int ret = -1;
diff --git a/src/soc/marvell/bg4cd/spi.c b/src/soc/marvell/bg4cd/spi.c
index 53f46c7..9a999b0 100644
--- a/src/soc/marvell/bg4cd/spi.c
+++ b/src/soc/marvell/bg4cd/spi.c
@@ -20,17 +20,17 @@
return NULL;
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned out_bytes, void *din, unsigned in_bytes)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t out_bytes, void *din, size_t in_bytes)
{
return 0;
}
diff --git a/src/soc/mediatek/mt8173/spi.c b/src/soc/mediatek/mt8173/spi.c
index 9d56b63..f60de6c 100644
--- a/src/soc/mediatek/mt8173/spi.c
+++ b/src/soc/mediatek/mt8173/spi.c
@@ -55,7 +55,7 @@
}
};
-static inline struct mtk_spi_bus *to_mtk_spi(struct spi_slave *slave)
+static inline struct mtk_spi_bus *to_mtk_spi(const struct spi_slave *slave)
{
return container_of(slave, struct mtk_spi_bus, slave);
}
@@ -182,7 +182,7 @@
};
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
struct mtk_spi_bus *mtk_slave = to_mtk_spi(slave);
struct mtk_spi_regs *regs = mtk_slave->regs;
@@ -193,8 +193,8 @@
return 0;
}
-static int mtk_spi_fifo_transfer(struct spi_slave *slave, void *in,
- const void *out, u32 size)
+static int mtk_spi_fifo_transfer(const struct spi_slave *slave, void *in,
+ const void *out, size_t size)
{
struct mtk_spi_bus *mtk_slave = to_mtk_spi(slave);
struct mtk_spi_regs *regs = mtk_slave->regs;
@@ -269,10 +269,10 @@
return -1;
}
-int spi_xfer(struct spi_slave *slave, const void *dout, unsigned int bytes_out,
- void *din, unsigned int bytes_in)
+int spi_xfer(const struct spi_slave *slave, const void *dout, size_t bytes_out,
+ void *din, size_t bytes_in)
{
- uint32_t min_size = 0;
+ size_t min_size = 0;
int ret;
while (bytes_out || bytes_in) {
@@ -301,7 +301,7 @@
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
struct mtk_spi_bus *mtk_slave = to_mtk_spi(slave);
struct mtk_spi_regs *regs = mtk_slave->regs;
diff --git a/src/soc/nvidia/tegra124/spi.c b/src/soc/nvidia/tegra124/spi.c
index d5be4a6..2ad4aa1f 100644
--- a/src/soc/nvidia/tegra124/spi.c
+++ b/src/soc/nvidia/tegra124/spi.c
@@ -209,7 +209,7 @@
return 50000000;
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
struct tegra_spi_regs *regs = to_tegra_spi(slave->bus)->regs;
u32 val;
@@ -232,7 +232,7 @@
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
struct tegra_spi_regs *regs = to_tegra_spi(slave->bus)->regs;
u32 val;
@@ -719,13 +719,13 @@
return buf_len;
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int out_bytes, void *din, unsigned int in_bytes)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t out_bytes, void *din, size_t in_bytes)
{
struct tegra_spi_channel *spi = to_tegra_spi(slave->bus);
u8 *out_buf = (u8 *)dout;
u8 *in_buf = (u8 *)din;
- unsigned int todo;
+ size_t todo;
int ret = 0;
/* tegra bus numbers start at 1 */
diff --git a/src/soc/nvidia/tegra210/spi.c b/src/soc/nvidia/tegra210/spi.c
index b01289c..7efefc4 100644
--- a/src/soc/nvidia/tegra210/spi.c
+++ b/src/soc/nvidia/tegra210/spi.c
@@ -208,7 +208,7 @@
return &tegra_spi_channels[bus - 1];
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
struct tegra_spi_regs *regs = to_tegra_spi(slave->bus)->regs;
u32 val;
@@ -231,7 +231,7 @@
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
struct tegra_spi_regs *regs = to_tegra_spi(slave->bus)->regs;
u32 val;
@@ -755,13 +755,13 @@
return buf_len;
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int out_bytes, void *din, unsigned int in_bytes)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t out_bytes, void *din, size_t in_bytes)
{
struct tegra_spi_channel *spi = to_tegra_spi(slave->bus);
u8 *out_buf = (u8 *)dout;
u8 *in_buf = (u8 *)din;
- unsigned int todo;
+ size_t todo;
int ret = 0;
/* tegra bus numbers start at 1 */
@@ -827,8 +827,8 @@
if (ret < 0) {
printk(BIOS_ERR, "%s: Error detected\n", __func__);
- printk(BIOS_ERR, "Transaction size: %u, bytes remaining: "
- "%u out / %u in\n", todo, out_bytes, in_bytes);
+ printk(BIOS_ERR, "Transaction size: %zu, bytes remaining: "
+ "%zu out / %zu in\n", todo, out_bytes, in_bytes);
clear_fifo_status(spi);
}
return ret;
diff --git a/src/soc/qualcomm/ipq40xx/include/soc/spi.h b/src/soc/qualcomm/ipq40xx/include/soc/spi.h
index 1fd6a57..8ef1fbf 100644
--- a/src/soc/qualcomm/ipq40xx/include/soc/spi.h
+++ b/src/soc/qualcomm/ipq40xx/include/soc/spi.h
@@ -186,7 +186,7 @@
int allocated;
};
-static inline struct ipq_spi_slave *to_ipq_spi(struct spi_slave *slave)
+static inline struct ipq_spi_slave *to_ipq_spi(const struct spi_slave *slave)
{
return container_of(slave, struct ipq_spi_slave, slave);
}
diff --git a/src/soc/qualcomm/ipq40xx/spi.c b/src/soc/qualcomm/ipq40xx/spi.c
index dcd00c0..871f24b 100644
--- a/src/soc/qualcomm/ipq40xx/spi.c
+++ b/src/soc/qualcomm/ipq40xx/spi.c
@@ -320,7 +320,7 @@
return SUCCESS;
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
struct ipq_spi_slave *ds = to_ipq_spi(slave);
unsigned int ret;
@@ -332,7 +332,7 @@
return SUCCESS;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
struct ipq_spi_slave *ds = to_ipq_spi(slave);
@@ -341,7 +341,7 @@
ds->initialized = 0;
}
-static void write_force_cs(struct spi_slave *slave, int assert)
+static void write_force_cs(const struct spi_slave *slave, int assert)
{
struct ipq_spi_slave *ds = to_ipq_spi(slave);
@@ -633,8 +633,8 @@
* This function is invoked with either tx_buf or rx_buf.
* Calling this function with both null does a chip select change.
*/
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned out_bytes, void *din, unsigned in_bytes)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t out_bytes, void *din, size_t in_bytes)
{
struct ipq_spi_slave *ds = to_ipq_spi(slave);
u8 *txp = (u8 *)dout;
diff --git a/src/soc/qualcomm/ipq806x/include/soc/spi.h b/src/soc/qualcomm/ipq806x/include/soc/spi.h
index 4f6f055..5dedcda 100644
--- a/src/soc/qualcomm/ipq806x/include/soc/spi.h
+++ b/src/soc/qualcomm/ipq806x/include/soc/spi.h
@@ -271,7 +271,7 @@
int allocated;
};
-static inline struct ipq_spi_slave *to_ipq_spi(struct spi_slave *slave)
+static inline struct ipq_spi_slave *to_ipq_spi(const struct spi_slave *slave)
{
return container_of(slave, struct ipq_spi_slave, slave);
}
diff --git a/src/soc/qualcomm/ipq806x/spi.c b/src/soc/qualcomm/ipq806x/spi.c
index 71a8c29..d1af720 100644
--- a/src/soc/qualcomm/ipq806x/spi.c
+++ b/src/soc/qualcomm/ipq806x/spi.c
@@ -618,7 +618,7 @@
return SUCCESS;
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
struct ipq_spi_slave *ds = to_ipq_spi(slave);
unsigned int ret;
@@ -641,7 +641,7 @@
return SUCCESS;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
struct ipq_spi_slave *ds = to_ipq_spi(slave);
@@ -711,8 +711,8 @@
return min(MAX_PACKET_COUNT, buf_len);
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned out_bytes, void *din, unsigned in_bytes)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t out_bytes, void *din, size_t in_bytes)
{
int ret;
struct ipq_spi_slave *ds = to_ipq_spi(slave);
diff --git a/src/soc/rockchip/common/spi.c b/src/soc/rockchip/common/spi.c
index 3666de3..8f45679 100644
--- a/src/soc/rockchip/common/spi.c
+++ b/src/soc/rockchip/common/spi.c
@@ -68,7 +68,7 @@
#endif
};
-static struct rockchip_spi_slave *to_rockchip_spi(struct spi_slave *slave)
+static struct rockchip_spi_slave *to_rockchip_spi(const struct spi_slave *slave)
{
return container_of(slave, struct rockchip_spi_slave, slave);
}
@@ -79,13 +79,13 @@
return &(rockchip_spi_slaves[bus].slave);
}
-static void spi_cs_activate(struct spi_slave *slave)
+static void spi_cs_activate(const struct spi_slave *slave)
{
struct rockchip_spi *regs = to_rockchip_spi(slave)->regs;
setbits_le32(®s->ser, 1);
}
-static void spi_cs_deactivate(struct spi_slave *slave)
+static void spi_cs_deactivate(const struct spi_slave *slave)
{
struct rockchip_spi *regs = to_rockchip_spi(slave)->regs;
clrbits_le32(®s->ser, 1);
@@ -157,13 +157,13 @@
rsd << SPI_RXDSD_OFFSET);
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
spi_cs_activate(slave);
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
spi_cs_deactivate(slave);
}
@@ -203,11 +203,11 @@
/* returns 0 to indicate success, <0 otherwise */
static int do_xfer(struct rockchip_spi *regs, bool use_16bit, const void *dout,
- unsigned int *bytes_out, void *din, unsigned int *bytes_in)
+ size_t *bytes_out, void *din, size_t *bytes_in)
{
uint8_t *in_buf = din;
uint8_t *out_buf = (uint8_t *)dout;
- unsigned int min_xfer;
+ size_t min_xfer;
if (*bytes_out == 0)
min_xfer = *bytes_in;
@@ -268,8 +268,8 @@
return min(65535, buf_len);
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int bytes_out, void *din, unsigned int bytes_in)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t bytes_out, void *din, size_t bytes_in)
{
struct rockchip_spi *regs = to_rockchip_spi(slave)->regs;
int ret = 0;
@@ -283,10 +283,10 @@
* seems to work fine.
*/
while (bytes_out || bytes_in) {
- unsigned int in_now = MIN(bytes_in, 0xfffe);
- unsigned int out_now = MIN(bytes_out, 0xfffe);
- unsigned int in_rem, out_rem;
- unsigned int mask;
+ size_t in_now = MIN(bytes_in, 0xfffe);
+ size_t out_now = MIN(bytes_out, 0xfffe);
+ size_t in_rem, out_rem;
+ size_t mask;
bool use_16bit;
rockchip_spi_enable_chip(regs, 0);
@@ -324,13 +324,13 @@
break;
if (bytes_out) {
- unsigned int sent = out_now - out_rem;
+ size_t sent = out_now - out_rem;
bytes_out -= sent;
dout += sent;
}
if (bytes_in) {
- unsigned int received = in_now - in_rem;
+ size_t received = in_now - in_rem;
bytes_in -= received;
din += received;
}
diff --git a/src/soc/samsung/exynos5420/spi.c b/src/soc/samsung/exynos5420/spi.c
index fd31a2f..c2faeb5 100644
--- a/src/soc/samsung/exynos5420/spi.c
+++ b/src/soc/samsung/exynos5420/spi.c
@@ -58,7 +58,7 @@
},
};
-static inline struct exynos_spi_slave *to_exynos_spi(struct spi_slave *slave)
+static inline struct exynos_spi_slave *to_exynos_spi(const struct spi_slave *slave)
{
return container_of(slave, struct exynos_spi_slave, slave);
}
@@ -128,7 +128,7 @@
return &eslave->slave;
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
struct exynos_spi *regs = to_exynos_spi(slave)->regs;
// TODO(hungte) Add some delay if too many transactions happen at once.
@@ -137,19 +137,19 @@
}
static void spi_transfer(struct exynos_spi *regs, void *in, const void *out,
- u32 size)
+ size_t size)
{
u8 *inb = in;
const u8 *outb = out;
- int width = (size % 4) ? 1 : 4;
+ size_t width = (size % 4) ? 1 : 4;
while (size) {
- int packets = size / width;
+ size_t packets = size / width;
// The packet count field is 16 bits wide.
packets = MIN(packets, (1 << 16) - 1);
- int out_bytes, in_bytes;
+ size_t out_bytes, in_bytes;
out_bytes = in_bytes = packets * width;
spi_sw_reset(regs, width == 4);
@@ -188,13 +188,13 @@
}
}
-int spi_xfer(struct spi_slave *slave, const void *dout, unsigned int bytes_out,
- void *din, unsigned int bytes_in)
+int spi_xfer(const struct spi_slave *slave, const void *dout, size_t bytes_out,
+ void *din, size_t bytes_in)
{
struct exynos_spi *regs = to_exynos_spi(slave)->regs;
if (bytes_out && bytes_in) {
- u32 min_size = MIN(bytes_out, bytes_in);
+ size_t min_size = MIN(bytes_out, bytes_in);
spi_transfer(regs, din, dout, min_size);
@@ -213,7 +213,7 @@
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
struct exynos_spi *regs = to_exynos_spi(slave)->regs;
setbits_le32(®s->cs_reg, SPI_SLAVE_SIG_INACT);
diff --git a/src/southbridge/amd/agesa/hudson/spi.c b/src/southbridge/amd/agesa/hudson/spi.c
index f1a82e9..7bb0e3f 100644
--- a/src/southbridge/amd/agesa/hudson/spi.c
+++ b/src/southbridge/amd/agesa/hudson/spi.c
@@ -90,13 +90,13 @@
return min(AMD_SB_SPI_TX_LEN - cmd_len, buf_len);
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int bytesout, void *din, unsigned int bytesin)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t bytesout, void *din, size_t bytesin)
{
/* First byte is cmd which can not being sent through FIFO. */
u8 cmd = *(u8 *)dout++;
u8 readoffby1;
- u8 count;
+ size_t count;
bytesout--;
@@ -147,13 +147,13 @@
return 0;
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
/* Nothing is required. */
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
/* Nothing is required. */
}
diff --git a/src/southbridge/amd/cimx/sb800/spi.c b/src/southbridge/amd/cimx/sb800/spi.c
index 726d8e0..2522c2e 100644
--- a/src/southbridge/amd/cimx/sb800/spi.c
+++ b/src/southbridge/amd/cimx/sb800/spi.c
@@ -59,14 +59,14 @@
return min(AMD_SB_SPI_TX_LEN - cmd_len, buf_len);
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int bytesout, void *din, unsigned int bytesin)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t bytesout, void *din, size_t bytesin)
{
/* First byte is cmd which can not being sent through FIFO. */
u8 cmd = *(u8 *)dout++;
u8 readoffby1;
u8 readwrite;
- u8 count;
+ size_t count;
bytesout--;
@@ -138,13 +138,13 @@
WaitForEcLDN9MailboxCmdAck();
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
/* Nothing is required. */
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
/* Nothing is required. */
return;
diff --git a/src/southbridge/amd/sb700/spi.c b/src/southbridge/amd/sb700/spi.c
index fa316f1..2b1ae2d 100644
--- a/src/southbridge/amd/sb700/spi.c
+++ b/src/southbridge/amd/sb700/spi.c
@@ -65,13 +65,13 @@
(read8((void *)(spibar+3)) & 0x80));
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
/* Handled internally by the SB700 */
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
/* Handled internally by the SB700 */
}
@@ -89,14 +89,14 @@
return slave;
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int bytesout, void *din, unsigned int bytesin)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t bytesout, void *din, size_t bytesin)
{
/* First byte is cmd which cannot be sent through the FIFO. */
u8 cmd = *(u8 *)dout++;
u8 readoffby1;
u8 readwrite;
- u8 count;
+ size_t count;
uint32_t spibar = get_spi_bar();
diff --git a/src/southbridge/amd/sb700/spi.h b/src/southbridge/amd/sb700/spi.h
index ed5b858..605f3ee 100644
--- a/src/southbridge/amd/sb700/spi.h
+++ b/src/southbridge/amd/sb700/spi.h
@@ -13,5 +13,5 @@
* GNU General Public License for more details.
*/
-int spi_claim_bus(struct spi_slave *slave);
-void spi_release_bus(struct spi_slave *slave);
+int spi_claim_bus(const struct spi_slave *slave);
+void spi_release_bus(const struct spi_slave *slave);
diff --git a/src/southbridge/intel/common/spi.c b/src/southbridge/intel/common/spi.c
index 36102c2..2d36d38 100644
--- a/src/southbridge/intel/common/spi.c
+++ b/src/southbridge/intel/common/spi.c
@@ -357,13 +357,13 @@
BOOT_STATE_INIT_ENTRY(BS_DEV_INIT, BS_ON_ENTRY, spi_init_cb, NULL);
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
/* Handled by ICH automatically. */
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
/* Handled by ICH automatically. */
}
@@ -536,8 +536,8 @@
return min(cntlr.databytes, buf_len);
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int bytesout, void *din, unsigned int bytesin)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t bytesout, void *din, size_t bytesin)
{
uint16_t control;
int16_t opcode_index;
diff --git a/src/southbridge/intel/fsp_rangeley/spi.c b/src/southbridge/intel/fsp_rangeley/spi.c
index 8b0c3c1..8a0fac2 100644
--- a/src/southbridge/intel/fsp_rangeley/spi.c
+++ b/src/southbridge/intel/fsp_rangeley/spi.c
@@ -429,13 +429,13 @@
}
}
-int spi_claim_bus(struct spi_slave *slave)
+int spi_claim_bus(const struct spi_slave *slave)
{
/* Handled by ICH automatically. */
return 0;
}
-void spi_release_bus(struct spi_slave *slave)
+void spi_release_bus(const struct spi_slave *slave)
{
/* Handled by ICH automatically. */
}
@@ -601,8 +601,8 @@
return min(cntlr.databytes, buf_len);
}
-int spi_xfer(struct spi_slave *slave, const void *dout,
- unsigned int bytesout, void *din, unsigned int bytesin)
+int spi_xfer(const struct spi_slave *slave, const void *dout,
+ size_t bytesout, void *din, size_t bytesin)
{
uint16_t control;
int16_t opcode_index;