ath79: remove obsolete 5.15 kernel support

[openwrt/openwrt.git] / target / linux / ath79 / patches-5.15 / 020-v5.18-spi-ath79-Implement-the-spi_mem-interface.patch

diff --git a/target/linux/ath79/patches-5.15/020-v5.18-spi-ath79-Implement-the-spi_mem-interface.patch b/target/linux/ath79/patches-5.15/020-v5.18-spi-ath79-Implement-the-spi_mem-interface.patch
deleted file mode 100644 (file)
index 5746a88..0000000
--- a/target/linux/ath79/patches-5.15/020-v5.18-spi-ath79-Implement-the-spi_mem-interface.patch
+++ /dev/null
@@ -1,68 +0,0 @@
-From 8d8cdb4a6ccee5b62cc0dc64651c3946364514dc Mon Sep 17 00:00:00 2001
-From: Luiz Angelo Daros de Luca <luizluca@gmail.com>
-Date: Mon, 10 Feb 2020 16:11:27 -0300
-Subject: [PATCH] spi: ath79: Implement the spi_mem interface
-
-Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
----
- drivers/spi/spi-ath79.c | 35 +++++++++++++++++++++++++++++++++++
- 1 file changed, 35 insertions(+)
-
---- a/drivers/spi/spi-ath79.c
-+++ b/drivers/spi/spi-ath79.c
-@@ -15,6 +15,7 @@
- #include <linux/platform_device.h>
- #include <linux/io.h>
- #include <linux/spi/spi.h>
-+#include <linux/spi/spi-mem.h>
- #include <linux/spi/spi_bitbang.h>
- #include <linux/bitops.h>
- #include <linux/clk.h>
-@@ -133,6 +134,39 @@ static u32 ath79_spi_txrx_mode0(struct s
-       return ath79_spi_rr(sp, AR71XX_SPI_REG_RDS);
- }
- 
-+static int ath79_exec_mem_op(struct spi_mem *mem,
-+                              const struct spi_mem_op *op)
-+{
-+      struct ath79_spi *sp = ath79_spidev_to_sp(mem->spi);
-+
-+      /* Ensures that reading is performed on device connected
-+         to hardware cs0 */
-+      if (mem->spi->chip_select || mem->spi->cs_gpiod)
-+              return -ENOTSUPP;
-+
-+      /* Only use for fast-read op. */
-+      if (op->cmd.opcode != 0x0b || op->data.dir != SPI_MEM_DATA_IN ||
-+          op->addr.nbytes != 3 || op->dummy.nbytes != 1)
-+              return -ENOTSUPP;
-+
-+      /* disable GPIO mode */
-+      ath79_spi_wr(sp, AR71XX_SPI_REG_FS, 0);
-+
-+      memcpy_fromio(op->data.buf.in, sp->base + op->addr.val, op->data.nbytes);
-+
-+      /* 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);
-+
-+      return 0;
-+}
-+
-+static const struct spi_controller_mem_ops ath79_mem_ops = {
-+      .exec_op = ath79_exec_mem_op,
-+};
-+
- static int ath79_spi_probe(struct platform_device *pdev)
- {
-       struct spi_master *master;
-@@ -165,6 +199,7 @@ static int ath79_spi_probe(struct platfo
-               ret = PTR_ERR(sp->base);
-               goto err_put_master;
-       }
-+      master->mem_ops = &ath79_mem_ops;
- 
-       sp->clk = devm_clk_get(&pdev->dev, "ahb");
-       if (IS_ERR(sp->clk)) {