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authorPaolo Abeni <pabeni@redhat.com>2022-09-08 18:34:54 +0200
committerPaolo Abeni <pabeni@redhat.com>2022-09-08 18:38:30 +0200
commit9f8f1933dce555d3c246f447f54fca8de8889da9 (patch)
treedc447d0174473de8385d47eb8aedc058a336e4a9 /drivers/clk/bcm/clk-raspberrypi.c
parent75554fe00f941c3c3d9344e88708093a14d2b4b8 (diff)
parent26b1224903b3fb66e8aa564868d0d57648c32b15 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
drivers/net/ethernet/freescale/fec.h 7d650df99d52 ("net: fec: add pm_qos support on imx6q platform") 40c79ce13b03 ("net: fec: add stop mode support for imx8 platform") Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/clk/bcm/clk-raspberrypi.c')
-rw-r--r--drivers/clk/bcm/clk-raspberrypi.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c
index 73518009a0f2..876b37b8683c 100644
--- a/drivers/clk/bcm/clk-raspberrypi.c
+++ b/drivers/clk/bcm/clk-raspberrypi.c
@@ -203,7 +203,7 @@ static unsigned long raspberrypi_fw_get_rate(struct clk_hw *hw,
ret = raspberrypi_clock_property(rpi->firmware, data,
RPI_FIRMWARE_GET_CLOCK_RATE, &val);
if (ret)
- return ret;
+ return 0;
return val;
}
@@ -220,7 +220,7 @@ static int raspberrypi_fw_set_rate(struct clk_hw *hw, unsigned long rate,
ret = raspberrypi_clock_property(rpi->firmware, data,
RPI_FIRMWARE_SET_CLOCK_RATE, &_rate);
if (ret)
- dev_err_ratelimited(rpi->dev, "Failed to change %s frequency: %d",
+ dev_err_ratelimited(rpi->dev, "Failed to change %s frequency: %d\n",
clk_hw_get_name(hw), ret);
return ret;
@@ -288,7 +288,7 @@ static struct clk_hw *raspberrypi_clk_register(struct raspberrypi_clk *rpi,
RPI_FIRMWARE_GET_MIN_CLOCK_RATE,
&min_rate);
if (ret) {
- dev_err(rpi->dev, "Failed to get clock %d min freq: %d",
+ dev_err(rpi->dev, "Failed to get clock %d min freq: %d\n",
id, ret);
return ERR_PTR(ret);
}
@@ -344,8 +344,13 @@ static int raspberrypi_discover_clocks(struct raspberrypi_clk *rpi,
struct rpi_firmware_get_clocks_response *clks;
int ret;
+ /*
+ * The firmware doesn't guarantee that the last element of
+ * RPI_FIRMWARE_GET_CLOCKS is zeroed. So allocate an additional
+ * zero element as sentinel.
+ */
clks = devm_kcalloc(rpi->dev,
- RPI_FIRMWARE_NUM_CLK_ID, sizeof(*clks),
+ RPI_FIRMWARE_NUM_CLK_ID + 1, sizeof(*clks),
GFP_KERNEL);
if (!clks)
return -ENOMEM;
@@ -360,7 +365,8 @@ static int raspberrypi_discover_clocks(struct raspberrypi_clk *rpi,
struct raspberrypi_clk_variant *variant;
if (clks->id > RPI_FIRMWARE_NUM_CLK_ID) {
- dev_err(rpi->dev, "Unknown clock id: %u", clks->id);
+ dev_err(rpi->dev, "Unknown clock id: %u (max: %u)\n",
+ clks->id, RPI_FIRMWARE_NUM_CLK_ID);
return -EINVAL;
}