Thread (42 messages) flat view 42 messages, 4 authors, 2020-06-05

Re: [PATCH v3 22/25] clk: bcm: rpi: Give firmware clocks a name

From: Nicolas Saenz Julienne <hidden>
Date: 2020-06-05 12:49:30
Also in: lkml

On Wed, 2020-05-27 at 17:45 +0200, Maxime Ripard wrote:
quoted hunk ↗ jump to hunk
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.

Signed-off-by: Maxime Ripard <redacted>
---
 drivers/clk/bcm/clk-raspberrypi.c | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)
diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-
raspberrypi.c
index 8d3acf3ee053..cee634cb5323 100644
--- 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)
 
@@ -343,7 +360,9 @@ static struct clk_hw *raspberrypi_clk_register(struct
raspberrypi_clk *rpi,
 	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;
 
@@ -367,8 +386,8 @@ static struct clk_hw *raspberrypi_clk_register(struct
raspberrypi_clk *rpi,
 		return ERR_PTR(ret);
 	}
 
-	dev_info(rpi->dev, "Clock %d frequency range: min %u, max %u\n",
-		 id, min_rate, max_rate);
+	dev_info(rpi->dev, "Clock %s frequency range: min %u, max %u\n",
+		 rpi_firmware_clk_names[id], min_rate, max_rate);
I belive this might change. Otherwise:

Acked-by: Nicolas Saenz Julienne <redacted>

Regards,
Nicolas
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