ath79: Remove kernel 4.14 support

This target was switched to kernel 4.19 more than 6 months ago in commit
f342ffd300da ("treewide: kernel: bump some targets to 4.19") and now
with kernel 5.4 support being added it gets harder to support kernel
4.14 in addition to kernel 4.19 and 5.4.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

1 files changed, 0 insertions, 60 deletions

diff --git a/target/linux/ath79/patches-4.14/461-spi-ath79-add-fast-flash-read.patch b/target/linux/ath79/patches-4.14/461-spi-ath79-add-fast-flash-read.patch
deleted file mode 100644
index 7c24fc5e14..0000000000
--- a/target/linux/ath79/patches-4.14/461-spi-ath79-add-fast-flash-read.patch
+++ /dev/null
@@ -1,60 +0,0 @@
---- a/drivers/spi/spi-ath79.c
-+++ b/drivers/spi/spi-ath79.c
-@@ -101,9 +101,6 @@ static void ath79_spi_enable(struct ath7
- 	/* save CTRL register */
- 	sp->reg_ctrl = ath79_spi_rr(sp, AR71XX_SPI_REG_CTRL);
- 	sp->ioc_base = ath79_spi_rr(sp, AR71XX_SPI_REG_IOC);
--
--	/* TODO: setup speed? */
--	ath79_spi_wr(sp, AR71XX_SPI_REG_CTRL, 0x43);
- }
- 
- static void ath79_spi_disable(struct ath79_spi *sp)
-@@ -203,6 +200,38 @@ static u32 ath79_spi_txrx_mode0(struct s
- 	return ath79_spi_rr(sp, AR71XX_SPI_REG_RDS);
- }
- 
-+static bool ath79_spi_flash_read_supported(struct spi_device *spi)
-+{
-+	if (spi->chip_select || gpio_is_valid(spi->cs_gpio))
-+		return false;
-+
-+	return true;
-+}
-+
-+static int ath79_spi_read_flash_data(struct spi_device *spi,
-+				     struct spi_flash_read_message *msg)
-+{
-+	struct ath79_spi *sp = ath79_spidev_to_sp(spi);
-+
-+	if (msg->addr_width > 3)
-+		return -EOPNOTSUPP;
-+
-+	/* disable GPIO mode */
-+	ath79_spi_wr(sp, AR71XX_SPI_REG_FS, 0);
-+
-+	memcpy_fromio(msg->buf, sp->base + msg->from, msg->len);
-+
-+	/* enable GPIO mode */
-+	ath79_spi_wr(sp, AR71XX_SPI_REG_FS, AR71XX_SPI_FS_GPIO);
-+
-+	/* restore IOC register */
-+	ath79_spi_wr(sp, AR71XX_SPI_REG_IOC, sp->ioc_base);
-+
-+	msg->retlen = msg->len;
-+
-+	return 0;
-+}
-+
- static int ath79_spi_probe(struct platform_device *pdev)
- {
- 	struct spi_master *master;
-@@ -237,6 +266,8 @@ static int ath79_spi_probe(struct platfo
- 		ret = PTR_ERR(sp->base);
- 		goto err_put_master;
- 	}
-+	master->spi_flash_read = ath79_spi_read_flash_data;
-+	master->flash_read_supported = ath79_spi_flash_read_supported;
- 
- 	sp->clk = devm_clk_get(&pdev->dev, "ahb");
- 	if (IS_ERR(sp->clk)) {