diff options
Diffstat (limited to 'target/linux/mediatek/patches-5.4/0001-v5.7-spi-make-spi-max-frequency-optional.patch')
| -rw-r--r-- | target/linux/mediatek/patches-5.4/0001-v5.7-spi-make-spi-max-frequency-optional.patch | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/target/linux/mediatek/patches-5.4/0001-v5.7-spi-make-spi-max-frequency-optional.patch b/target/linux/mediatek/patches-5.4/0001-v5.7-spi-make-spi-max-frequency-optional.patch deleted file mode 100644 index 79ce15c37b..0000000000 --- a/target/linux/mediatek/patches-5.4/0001-v5.7-spi-make-spi-max-frequency-optional.patch +++ /dev/null @@ -1,38 +0,0 @@ -From 671c3bf50ae498dc12aef6c70abe5cfa066b1348 Mon Sep 17 00:00:00 2001 -From: Chuanhong Guo <gch981213@gmail.com> -Date: Fri, 6 Mar 2020 16:50:49 +0800 -Subject: [PATCH 1/2] spi: make spi-max-frequency optional - -We only need a spi-max-frequency when we specifically request a -spi frequency lower than the max speed of spi host. -This property is already documented as optional property and current -host drivers are implemented to operate at highest speed possible -when spi->max_speed_hz is 0. -This patch makes spi-max-frequency an optional property so that -we could just omit it to use max controller speed. - -Signed-off-by: Chuanhong Guo <gch981213@gmail.com> -Link: https://lore.kernel.org/r/20200306085052.28258-2-gch981213@gmail.com -Signed-off-by: Mark Brown <broonie@kernel.org> ---- - drivers/spi/spi.c | 9 ++------- - 1 file changed, 2 insertions(+), 7 deletions(-) - ---- a/drivers/spi/spi.c -+++ b/drivers/spi/spi.c -@@ -1809,13 +1809,8 @@ static int of_spi_parse_dt(struct spi_co - spi->mode |= SPI_CS_HIGH; - - /* Device speed */ -- rc = of_property_read_u32(nc, "spi-max-frequency", &value); -- if (rc) { -- dev_err(&ctlr->dev, -- "%pOF has no valid 'spi-max-frequency' property (%d)\n", nc, rc); -- return rc; -- } -- spi->max_speed_hz = value; -+ if (!of_property_read_u32(nc, "spi-max-frequency", &value)) -+ spi->max_speed_hz = value; - - return 0; - } |