[PATCH 2/4] spi: amd: Refactor amd_spi_busy_wait

[Lucas Tanure <tanureal@opensource.cirrus.com>]

Use amd_spi_readreg32 to read 32 bits registers

Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
---
 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