[PATCH 05/10] spi: amd: Refactor amd_spi_busy_wait

From: Lucas Tanure
Date: Wed Sep 08 2021 - 07:35:18 EST


Use amd_spi_readreg32 to read 32 bits registers

Signed-off-by: Lucas Tanure <tanureal@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/spi/spi-amd.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/spi/spi-amd.c b/drivers/spi/spi-amd.c
index f23467cf6acd..f2dd8d432aff 100644
--- a/drivers/spi/spi-amd.c
+++ b/drivers/spi/spi-amd.c
@@ -103,21 +103,15 @@ static inline void amd_spi_set_tx_count(struct amd_spi *amd_spi, u8 tx_count)
amd_spi_setclear_reg8(amd_spi, AMD_SPI_TX_COUNT_REG, tx_count, 0xff);
}

-static inline int amd_spi_busy_wait(struct amd_spi *amd_spi)
+static int amd_spi_busy_wait(struct amd_spi *amd_spi)
{
- bool spi_busy;
int timeout = 100000;

/* poll for SPI bus to become idle */
- spi_busy = (ioread32((u8 __iomem *)amd_spi->io_remap_addr +
- AMD_SPI_CTRL0_REG) & AMD_SPI_BUSY) == AMD_SPI_BUSY;
- while (spi_busy) {
+ while (amd_spi_readreg32(amd_spi, AMD_SPI_CTRL0_REG) & AMD_SPI_BUSY) {
usleep_range(10, 20);
if (timeout-- < 0)
return -ETIMEDOUT;
-
- spi_busy = (ioread32((u8 __iomem *)amd_spi->io_remap_addr +
- AMD_SPI_CTRL0_REG) & AMD_SPI_BUSY) == AMD_SPI_BUSY;
}

return 0;
--
2.33.0