diff options
Diffstat (limited to 'target/linux/mediatek/patches-5.15/433-drivers-spi-mem-Add-spi-calibration-hook.patch')
| -rw-r--r-- | target/linux/mediatek/patches-5.15/433-drivers-spi-mem-Add-spi-calibration-hook.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-5.15/433-drivers-spi-mem-Add-spi-calibration-hook.patch b/target/linux/mediatek/patches-5.15/433-drivers-spi-mem-Add-spi-calibration-hook.patch new file mode 100644 index 0000000000..aaacab0131 --- /dev/null +++ b/target/linux/mediatek/patches-5.15/433-drivers-spi-mem-Add-spi-calibration-hook.patch @@ -0,0 +1,41 @@ +From 06640a5da2973318c06e516da16a5b579622e7c5 Mon Sep 17 00:00:00 2001 +From: "SkyLake.Huang" <skylake.huang@mediatek.com> +Date: Thu, 23 Jun 2022 18:37:55 +0800 +Subject: [PATCH 3/6] drivers: spi-mem: Add spi calibration hook + +Signed-off-by: SkyLake.Huang <skylake.huang@mediatek.com> +--- + drivers/spi/spi-mem.c | 8 ++++++++ + include/linux/spi/spi-mem.h | 4 ++++ + 2 files changed, 12 insertions(+) + +--- a/drivers/spi/spi-mem.c ++++ b/drivers/spi/spi-mem.c +@@ -410,6 +410,14 @@ int spi_mem_exec_op(struct spi_mem *mem, + } + EXPORT_SYMBOL_GPL(spi_mem_exec_op); + ++int spi_mem_do_calibration(struct spi_mem *mem, ++ int (*cal_read)(void *priv, u32 *addr, int addrlen, u8 *buf, int readlen), ++ void *priv) ++{ ++ return spi_do_calibration(mem->spi->controller, mem->spi, cal_read, priv); ++} ++EXPORT_SYMBOL_GPL(spi_mem_do_calibration); ++ + /** + * spi_mem_get_name() - Return the SPI mem device name to be used by the + * upper layer if necessary +--- a/include/linux/spi/spi-mem.h ++++ b/include/linux/spi/spi-mem.h +@@ -366,6 +366,10 @@ bool spi_mem_supports_op(struct spi_mem + int spi_mem_exec_op(struct spi_mem *mem, + const struct spi_mem_op *op); + ++int spi_mem_do_calibration(struct spi_mem *mem, ++ int (*cal_read)(void *, u32 *, int, u8 *, int), ++ void *priv); ++ + const char *spi_mem_get_name(struct spi_mem *mem); + + struct spi_mem_dirmap_desc * |