diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0780-clk-bcm-rpi-Give-firmware-clocks-a-name.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0780-clk-bcm-rpi-Give-firmware-clocks-a-name.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0780-clk-bcm-rpi-Give-firmware-clocks-a-name.patch b/target/linux/bcm27xx/patches-5.4/950-0780-clk-bcm-rpi-Give-firmware-clocks-a-name.patch new file mode 100644 index 0000000000..745e8588ac --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0780-clk-bcm-rpi-Give-firmware-clocks-a-name.patch @@ -0,0 +1,52 @@ +From 5f69f49a942cd31e5f8b511e166fb55e3a0df267 Mon Sep 17 00:00:00 2001 +From: Maxime Ripard <maxime@cerno.tech> +Date: Tue, 26 May 2020 14:30:31 +0200 +Subject: [PATCH] clk: bcm: rpi: Give firmware clocks a name + +We've registered the firmware clocks using their ID as name, but it's much +more convenient to register them using their proper name. Since the +firmware doesn't provide it, we have to duplicate it. + +Acked-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> +Signed-off-by: Maxime Ripard <maxime@cerno.tech> +--- + drivers/clk/bcm/clk-raspberrypi.c | 21 ++++++++++++++++++++- + 1 file changed, 20 insertions(+), 1 deletion(-) + +--- a/drivers/clk/bcm/clk-raspberrypi.c ++++ b/drivers/clk/bcm/clk-raspberrypi.c +@@ -36,6 +36,23 @@ enum rpi_firmware_clk_id { + RPI_FIRMWARE_NUM_CLK_ID, + }; + ++static char *rpi_firmware_clk_names[] = { ++ [RPI_FIRMWARE_EMMC_CLK_ID] = "emmc", ++ [RPI_FIRMWARE_UART_CLK_ID] = "uart", ++ [RPI_FIRMWARE_ARM_CLK_ID] = "arm", ++ [RPI_FIRMWARE_CORE_CLK_ID] = "core", ++ [RPI_FIRMWARE_V3D_CLK_ID] = "v3d", ++ [RPI_FIRMWARE_H264_CLK_ID] = "h264", ++ [RPI_FIRMWARE_ISP_CLK_ID] = "isp", ++ [RPI_FIRMWARE_SDRAM_CLK_ID] = "sdram", ++ [RPI_FIRMWARE_PIXEL_CLK_ID] = "pixel", ++ [RPI_FIRMWARE_PWM_CLK_ID] = "pwm", ++ [RPI_FIRMWARE_HEVC_CLK_ID] = "hevc", ++ [RPI_FIRMWARE_EMMC2_CLK_ID] = "emmc2", ++ [RPI_FIRMWARE_M2MC_CLK_ID] = "m2mc", ++ [RPI_FIRMWARE_PIXEL_BVB_CLK_ID] = "pixel-bvb", ++}; ++ + #define RPI_FIRMWARE_STATE_ENABLE_BIT BIT(0) + #define RPI_FIRMWARE_STATE_WAIT_BIT BIT(1) + +@@ -340,7 +357,9 @@ static struct clk_hw *raspberrypi_clk_re + data->rpi = rpi; + data->id = id; + +- init.name = devm_kasprintf(rpi->dev, GFP_KERNEL, "fw-clk-%u", id); ++ init.name = devm_kasprintf(rpi->dev, GFP_KERNEL, ++ "fw-clk-%s", ++ rpi_firmware_clk_names[id]); + init.ops = &raspberrypi_firmware_clk_ops; + init.flags = CLK_GET_RATE_NOCACHE; + |