From: Mark Brown <broonie@linaro.org>
Date: Fri, 27 Sep 2013 19:38:01 +0000 (+0100)
Subject: spi/s3c64xx: Enable GPIO /CS prior to starting hardware
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0f5a751ace250097d3ad7835df7d376f21f44509;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

spi/s3c64xx: Enable GPIO /CS prior to starting hardware

To help with bisection of future refactoring to share more of the code for
handling a spi_message pull the enabling of GPIO based /CS prior to all
the hardware setup for starting a transfer.

Signed-off-by: Mark Brown <broonie@linaro.org>
---

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 2ab96fb28d22..e6312322f66a 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -906,6 +906,9 @@ static int s3c64xx_spi_transfer_one_message(struct spi_master *master,
 			s3c64xx_spi_config(sdd);
 		}
 
+		/* Slave Select */
+		enable_cs(sdd, spi);
+
 		/* Polling method for xfers not bigger than FIFO capacity */
 		use_dma = 0;
 		if (!is_polling(sdd) &&
@@ -921,9 +924,6 @@ static int s3c64xx_spi_transfer_one_message(struct spi_master *master,
 
 		enable_datapath(sdd, spi, xfer, use_dma);
 
-		/* Slave Select */
-		enable_cs(sdd, spi);
-
 		/* Start the signals */
 		writel(0, sdd->regs + S3C64XX_SPI_SLAVE_SEL);