| Message ID | 20231219-b4-qcom-common-target-v2-7-b6dd9704219e@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Qualcomm generic board support | expand |
On 19/12/2023 17:04, Caleb Connolly wrote: > Use the modern helpers to fetch the clock and use the correct property > ("clocks" instead of "clock") > > Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org> > --- > arch/arm/dts/dragonboard410c.dts | 3 ++- > arch/arm/dts/dragonboard820c.dts | 3 ++- > drivers/serial/serial_msm.c | 24 +++++------------------- > 3 files changed, 9 insertions(+), 21 deletions(-) > > diff --git a/arch/arm/dts/dragonboard410c.dts b/arch/arm/dts/dragonboard410c.dts > index 02c824d0226c..c395e6cc0427 100644 > --- a/arch/arm/dts/dragonboard410c.dts > +++ b/arch/arm/dts/dragonboard410c.dts > @@ -84,7 +84,8 @@ > serial@78b0000 { > compatible = "qcom,msm-uartdm-v1.4"; > reg = <0x78b0000 0x200>; > - clock = <&clkc 4>; > + clocks = <&clkc 4>; > + clock-names = "core"; > pinctrl-names = "uart"; > pinctrl-0 = <&blsp1_uart>; > }; > diff --git a/arch/arm/dts/dragonboard820c.dts b/arch/arm/dts/dragonboard820c.dts > index 146a0af8aafe..86b7f83d36d6 100644 > --- a/arch/arm/dts/dragonboard820c.dts > +++ b/arch/arm/dts/dragonboard820c.dts > @@ -78,7 +78,8 @@ > blsp2_uart2: serial@75b0000 { > compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm"; > reg = <0x75b0000 0x1000>; > - clock = <&gcc 4>; > + clocks = <&gcc 4>; > + clock-names = "core"; > pinctrl-names = "uart"; > pinctrl-0 = <&blsp8_uart>; > }; > diff --git a/drivers/serial/serial_msm.c b/drivers/serial/serial_msm.c > index 19a5a3a788f7..0148ddb54df6 100644 > --- a/drivers/serial/serial_msm.c > +++ b/drivers/serial/serial_msm.c > @@ -160,29 +160,14 @@ static int msm_uart_clk_init(struct udevice *dev) > { > uint clk_rate = fdtdec_get_uint(gd->fdt_blob, dev_of_offset(dev), > "clock-frequency", 115200); > - uint clkd[2]; /* clk_id and clk_no */ > - int clk_offset; > - struct udevice *clk_dev; > struct clk clk; > int ret; > > - ret = fdtdec_get_int_array(gd->fdt_blob, dev_of_offset(dev), "clock", > - clkd, 2); > - if (ret) > - return ret; > - > - clk_offset = fdt_node_offset_by_phandle(gd->fdt_blob, clkd[0]); > - if (clk_offset < 0) > - return clk_offset; > - > - ret = uclass_get_device_by_of_offset(UCLASS_CLK, clk_offset, &clk_dev); > - if (ret) > - return ret; > - > - clk.id = clkd[1]; > - ret = clk_request(clk_dev, &clk); > - if (ret < 0) > + ret = clk_get_by_name(dev, "core", &clk); > + if (ret < 0) { > + pr_warn("%s: Failed to get clock: %d\n", __func__, ret); > return ret; > + } > > ret = clk_set_rate(&clk, clk_rate); > clk_free(&clk); > @@ -252,6 +237,7 @@ U_BOOT_DRIVER(serial_msm) = { > .priv_auto = sizeof(struct msm_serial_data), > .probe = msm_serial_probe, > .ops = &msm_serial_ops, > + .flags = DM_FLAG_PRE_RELOC, Is this flag introduction related to this particular clock property name change ? > }; > > #ifdef CONFIG_DEBUG_UART_MSM >
diff --git a/arch/arm/dts/dragonboard410c.dts b/arch/arm/dts/dragonboard410c.dts index 02c824d0226c..c395e6cc0427 100644 --- a/arch/arm/dts/dragonboard410c.dts +++ b/arch/arm/dts/dragonboard410c.dts @@ -84,7 +84,8 @@ serial@78b0000 { compatible = "qcom,msm-uartdm-v1.4"; reg = <0x78b0000 0x200>; - clock = <&clkc 4>; + clocks = <&clkc 4>; + clock-names = "core"; pinctrl-names = "uart"; pinctrl-0 = <&blsp1_uart>; }; diff --git a/arch/arm/dts/dragonboard820c.dts b/arch/arm/dts/dragonboard820c.dts index 146a0af8aafe..86b7f83d36d6 100644 --- a/arch/arm/dts/dragonboard820c.dts +++ b/arch/arm/dts/dragonboard820c.dts @@ -78,7 +78,8 @@ blsp2_uart2: serial@75b0000 { compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm"; reg = <0x75b0000 0x1000>; - clock = <&gcc 4>; + clocks = <&gcc 4>; + clock-names = "core"; pinctrl-names = "uart"; pinctrl-0 = <&blsp8_uart>; }; diff --git a/drivers/serial/serial_msm.c b/drivers/serial/serial_msm.c index 19a5a3a788f7..0148ddb54df6 100644 --- a/drivers/serial/serial_msm.c +++ b/drivers/serial/serial_msm.c @@ -160,29 +160,14 @@ static int msm_uart_clk_init(struct udevice *dev) { uint clk_rate = fdtdec_get_uint(gd->fdt_blob, dev_of_offset(dev), "clock-frequency", 115200); - uint clkd[2]; /* clk_id and clk_no */ - int clk_offset; - struct udevice *clk_dev; struct clk clk; int ret; - ret = fdtdec_get_int_array(gd->fdt_blob, dev_of_offset(dev), "clock", - clkd, 2); - if (ret) - return ret; - - clk_offset = fdt_node_offset_by_phandle(gd->fdt_blob, clkd[0]); - if (clk_offset < 0) - return clk_offset; - - ret = uclass_get_device_by_of_offset(UCLASS_CLK, clk_offset, &clk_dev); - if (ret) - return ret; - - clk.id = clkd[1]; - ret = clk_request(clk_dev, &clk); - if (ret < 0) + ret = clk_get_by_name(dev, "core", &clk); + if (ret < 0) { + pr_warn("%s: Failed to get clock: %d\n", __func__, ret); return ret; + } ret = clk_set_rate(&clk, clk_rate); clk_free(&clk); @@ -252,6 +237,7 @@ U_BOOT_DRIVER(serial_msm) = { .priv_auto = sizeof(struct msm_serial_data), .probe = msm_serial_probe, .ops = &msm_serial_ops, + .flags = DM_FLAG_PRE_RELOC, }; #ifdef CONFIG_DEBUG_UART_MSM
Use the modern helpers to fetch the clock and use the correct property ("clocks" instead of "clock") Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org> --- arch/arm/dts/dragonboard410c.dts | 3 ++- arch/arm/dts/dragonboard820c.dts | 3 ++- drivers/serial/serial_msm.c | 24 +++++------------------- 3 files changed, 9 insertions(+), 21 deletions(-)