spi: Replace all spi->chip_select and spi->cs_gpiod references with function call

Supporting multi-cs in spi drivers would require the chip_select & cs_gpiod
members of struct spi_device to be an array. But changing the type of these
members to array would break the spi driver functionality. To make the
transition smoother introduced four new APIs to get/set the
spi->chip_select & spi->cs_gpiod and replaced all spi->chip_select and
spi->cs_gpiod references with get or set API calls.
While adding multi-cs support in further patches the chip_select & cs_gpiod
members of the spi_device structure would be converted to arrays & the
"idx" parameter of the APIs would be used as array index i.e.,
spi->chip_select[idx] & spi->cs_gpiod[idx] respectively.

Signed-off-by: Amit Kumar Mahapatra <amit.kumar-mahapatra@amd.com>
Acked-by: Heiko Stuebner <heiko@sntech.de> # Rockchip drivers
Reviewed-by: Michal Simek <michal.simek@amd.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org> # Aspeed driver
Reviewed-by: Dhruva Gole <d-gole@ti.com> # SPI Cadence QSPI
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com> # spi-stm32-qspi
Acked-by: William Zhang <william.zhang@broadcom.com> # bcm63xx-hsspi driver
Reviewed-by: Serge Semin <fancer.lancer@gmail.com> # DW SSI part
Link: https://lore.kernel.org/r/167847070432.26.15076794204368669839@mailman-core.alsa-project.org
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 6 insertions, 6 deletions

diff --git a/drivers/spi/spi-wpcm-fiu.c b/drivers/spi/spi-wpcm-fiu.c
index ab33710d50ac..f15312fdcdaf 100644
--- a/drivers/spi/spi-wpcm-fiu.c
+++ b/drivers/spi/spi-wpcm-fiu.c
@@ -158,7 +158,7 @@ static int wpcm_fiu_normal_exec(struct spi_mem *mem, const struct spi_mem_op *op
 	if (op->data.dir == SPI_MEM_DATA_OUT)
 		wpcm_fiu_set_data(fiu, op->data.buf.out, op->data.nbytes);
 
-	ret = wpcm_fiu_do_uma(fiu, mem->spi->chip_select, op->addr.nbytes == 3,
+	ret = wpcm_fiu_do_uma(fiu, spi_get_chipselect(mem->spi, 0), op->addr.nbytes == 3,
 			      op->data.dir == SPI_MEM_DATA_OUT, op->data.nbytes);
 
 	if (op->data.dir == SPI_MEM_DATA_IN)
@@ -196,7 +196,7 @@ static bool wpcm_fiu_4ba_match(const struct spi_mem_op *op)
 static int wpcm_fiu_4ba_exec(struct spi_mem *mem, const struct spi_mem_op *op)
 {
 	struct wpcm_fiu_spi *fiu = spi_controller_get_devdata(mem->spi->controller);
-	int cs = mem->spi->chip_select;
+	int cs = spi_get_chipselect(mem->spi, 0);
 
 	wpcm_fiu_ects_assert(fiu, cs);
 
@@ -241,7 +241,7 @@ static bool wpcm_fiu_rdid_match(const struct spi_mem_op *op)
 static int wpcm_fiu_rdid_exec(struct spi_mem *mem, const struct spi_mem_op *op)
 {
 	struct wpcm_fiu_spi *fiu = spi_controller_get_devdata(mem->spi->controller);
-	int cs = mem->spi->chip_select;
+	int cs = spi_get_chipselect(mem->spi, 0);
 
 	/* First transfer */
 	wpcm_fiu_set_opcode(fiu, op->cmd.opcode);
@@ -278,7 +278,7 @@ static bool wpcm_fiu_dummy_match(const struct spi_mem_op *op)
 static int wpcm_fiu_dummy_exec(struct spi_mem *mem, const struct spi_mem_op *op)
 {
 	struct wpcm_fiu_spi *fiu = spi_controller_get_devdata(mem->spi->controller);
-	int cs = mem->spi->chip_select;
+	int cs = spi_get_chipselect(mem->spi, 0);
 
 	wpcm_fiu_ects_assert(fiu, cs);
 
@@ -376,7 +376,7 @@ static int wpcm_fiu_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op)
 static int wpcm_fiu_dirmap_create(struct spi_mem_dirmap_desc *desc)
 {
 	struct wpcm_fiu_spi *fiu = spi_controller_get_devdata(desc->mem->spi->controller);
-	int cs = desc->mem->spi->chip_select;
+	int cs = spi_get_chipselect(desc->mem->spi, 0);
 
 	if (desc->info.op_tmpl.data.dir != SPI_MEM_DATA_IN)
 		return -ENOTSUPP;
@@ -400,7 +400,7 @@ static int wpcm_fiu_dirmap_create(struct spi_mem_dirmap_desc *desc)
 static ssize_t wpcm_fiu_direct_read(struct spi_mem_dirmap_desc *desc, u64 offs, size_t len, void *buf)
 {
 	struct wpcm_fiu_spi *fiu = spi_controller_get_devdata(desc->mem->spi->controller);
-	int cs = desc->mem->spi->chip_select;
+	int cs = spi_get_chipselect(desc->mem->spi, 0);
 
 	if (offs >= MAX_MEMORY_SIZE_PER_CS)
 		return -ENOTSUPP;