From c16517d26de30c90dabce1e456615fd7fbdce07c Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sun, 23 Feb 2020 13:20:11 +0100 Subject: kernel: copy kernel 4.19 code to 5.4 No changes were done to the patches while coping them. Currently they do not apply on top of kernel 5.4. Signed-off-by: Hauke Mehrtens --- ...pio_set_value_cansleep-for-setting-chipsele.patch | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 target/linux/generic/pending-5.4/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch (limited to 'target/linux/generic/pending-5.4/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch') diff --git a/target/linux/generic/pending-5.4/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch b/target/linux/generic/pending-5.4/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch new file mode 100644 index 0000000000..bd5ed6f888 --- /dev/null +++ b/target/linux/generic/pending-5.4/131-spi-use-gpio_set_value_cansleep-for-setting-chipsele.patch @@ -0,0 +1,20 @@ +From: Felix Fietkau +Subject: spi: use gpio_set_value_cansleep for setting chipselect GPIO + +Sleeping is safe inside spi_transfer_one_message, and some GPIO chips +need to sleep for setting values + +Signed-off-by: Felix Fietkau +--- + +--- a/drivers/spi/spi.c ++++ b/drivers/spi/spi.c +@@ -733,7 +733,7 @@ static void spi_set_cs(struct spi_device + enable = !enable; + + if (gpio_is_valid(spi->cs_gpio)) { +- gpio_set_value(spi->cs_gpio, !enable); ++ gpio_set_value_cansleep(spi->cs_gpio, !enable); + /* Some SPI masters need both GPIO CS & slave_select */ + if ((spi->controller->flags & SPI_MASTER_GPIO_SS) && + spi->controller->set_cs) -- cgit v1.2.3