Unverified Commit caa9d347 authored by Amit Kumar Mahapatra's avatar Amit Kumar Mahapatra Committed by Mark Brown
Browse files

staging: 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: default avatarAmit Kumar Mahapatra <amit.kumar-mahapatra@amd.com>
Reviewed-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: default avatarMichal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/20230310173217.3429788-6-amit.kumar-mahapatra@amd.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 0817bcef

drivers/staging/fbtft/fbtft-core.c

+1 −1
Original line number Diff line number Diff line
@@ -840,7 +840,7 @@ int fbtft_register_framebuffer(struct fb_info *fb_info) 
		sprintf(text1, ", %zu KiB buffer memory", par->txbuf.len >> 10);

	if (spi)

		sprintf(text2, ", spi%d.%d at %d MHz", spi->master->bus_num,

			spi->chip_select, spi->max_speed_hz / 1000000);

			spi_get_chipselect(spi, 0), spi->max_speed_hz / 1000000);

	dev_info(fb_info->dev,

		 "%s frame buffer, %dx%d, %d KiB video memory%s, fps=%lu%s\n",

		 fb_info->fix.id, fb_info->var.xres, fb_info->var.yres,

drivers/staging/greybus/spilib.c

+1 −1
Original line number Diff line number Diff line
@@ -237,7 +237,7 @@ static struct gb_operation *gb_spi_operation_create(struct gb_spilib *spi, 
	request = operation->request->payload;

	request->count = cpu_to_le16(count);

	request->mode = dev->mode;

	request->chip_select = dev->chip_select;

	request->chip_select = spi_get_chipselect(dev, 0);



	gb_xfer = &request->transfers[0];

	tx_data = gb_xfer + count;	/* place tx data after last gb_xfer */