1 files changed, 0 insertions, 70 deletions
diff --git a/target/linux/ar71xx/patches-4.4/104-spi-spi-ath79-support-multiple-internal-chip-select-.patch b/target/linux/ar71xx/patches-4.4/104-spi-spi-ath79-support-multiple-internal-chip-select-.patch
deleted file mode 100644
index 3c355cd21c..0000000000
--- a/target/linux/ar71xx/patches-4.4/104-spi-spi-ath79-support-multiple-internal-chip-select-.patch
+++ /dev/null
@@ -1,70 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-Date: Fri, 9 Dec 2016 20:09:16 +0100
-Subject: [PATCH] spi: spi-ath79: support multiple internal chip select
- lines
-
-Several devices with multiple flash chips use the internal chip select
-lines. Don't assume that chip select 1 and above are GPIO lines.
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
-
---- a/drivers/spi/spi-ath79.c
-+++ b/drivers/spi/spi-ath79.c
-@@ -78,14 +78,16 @@ static void ath79_spi_chipselect(struct
- 		ath79_spi_wr(sp, AR71XX_SPI_REG_IOC, sp->ioc_base);
- 	}
- 
--	if (spi->chip_select) {
-+	if (gpio_is_valid(spi->cs_gpio)) {
- 		/* SPI is normally active-low */
- 		gpio_set_value(spi->cs_gpio, cs_high);
- 	} else {
-+		u32 cs_bit = AR71XX_SPI_IOC_CS(spi->chip_select);
-+
- 		if (cs_high)
--			sp->ioc_base |= AR71XX_SPI_IOC_CS0;
-+			sp->ioc_base |= cs_bit;
- 		else
--			sp->ioc_base &= ~AR71XX_SPI_IOC_CS0;
-+			sp->ioc_base &= ~cs_bit;
- 
- 		ath79_spi_wr(sp, AR71XX_SPI_REG_IOC, sp->ioc_base);
- 	}
-@@ -118,11 +120,8 @@ static int ath79_spi_setup_cs(struct spi
- 	struct ath79_spi *sp = ath79_spidev_to_sp(spi);
- 	int status;
- 
--	if (spi->chip_select && !gpio_is_valid(spi->cs_gpio))
--		return -EINVAL;
--
- 	status = 0;
--	if (spi->chip_select) {
-+	if (gpio_is_valid(spi->cs_gpio)) {
- 		unsigned long flags;
- 
- 		flags = GPIOF_DIR_OUT;
-@@ -134,10 +133,12 @@ static int ath79_spi_setup_cs(struct spi
- 		status = gpio_request_one(spi->cs_gpio, flags,
- 					  dev_name(&spi->dev));
- 	} else {
-+		u32 cs_bit = AR71XX_SPI_IOC_CS(spi->chip_select);
-+
- 		if (spi->mode & SPI_CS_HIGH)
--			sp->ioc_base &= ~AR71XX_SPI_IOC_CS0;
-+			sp->ioc_base &= ~cs_bit;
- 		else
--			sp->ioc_base |= AR71XX_SPI_IOC_CS0;
-+			sp->ioc_base |= cs_bit;
- 
- 		ath79_spi_wr(sp, AR71XX_SPI_REG_IOC, sp->ioc_base);
- 	}
-@@ -147,7 +148,7 @@ static int ath79_spi_setup_cs(struct spi
- 
- static void ath79_spi_cleanup_cs(struct spi_device *spi)
- {
--	if (spi->chip_select) {
-+	if (gpio_is_valid(spi->cs_gpio)) {
- 		gpio_free(spi->cs_gpio);
- 	}
- }