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spi: Introduce spi_for_each_valid_cs() in order of deduplication

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In order of deduplication and better maintenance introduce a new
spi_for_each_valid_cs() helper macro.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240415193340.1279360-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Andy Shevchenko 2024-04-15 22:31:20 +03:00 committed by Mark Brown
parent e81582c080
commit d707530b1e
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GPG Key ID: 24D68B725D5487D0
1 changed files with 9 additions and 7 deletions
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16
drivers/spi/spi.c
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@ -1022,16 +1022,18 @@ static void spi_res_release(struct spi_controller *ctlr, struct spi_message *mes
}
/*-------------------------------------------------------------------------*/
#define spi_for_each_valid_cs(spi, idx) \
for (idx = 0; idx < SPI_CS_CNT_MAX; idx++) \
if (!(spi->cs_index_mask & BIT(idx))) {} else
static inline bool spi_is_last_cs(struct spi_device *spi)
{
u8 idx;
bool last = false;
for (idx = 0; idx < SPI_CS_CNT_MAX; idx++) {
if (spi->cs_index_mask & BIT(idx)) {
if (spi->controller->last_cs[idx] == spi_get_chipselect(spi, idx))
last = true;
}
spi_for_each_valid_cs(spi, idx) {
if (spi->controller->last_cs[idx] == spi_get_chipselect(spi, idx))
last = true;
}
return last;
}
@ -1095,8 +1097,8 @@ static void spi_set_cs(struct spi_device *spi, bool enable, bool force)
if (spi_is_csgpiod(spi)) {
if (!(spi->mode & SPI_NO_CS)) {
for (idx = 0; idx < SPI_CS_CNT_MAX; idx++) {
if ((spi->cs_index_mask & BIT(idx)) && spi_get_csgpiod(spi, idx))
spi_for_each_valid_cs(spi, idx) {
if (spi_get_csgpiod(spi, idx))
spi_toggle_csgpiod(spi, idx, enable, activate);
}
}