[U-Boot] [PATCH 3/4] arm: drop eSDHC clock getting in mxc_get_clock() for layerscape

Priyanka Jain priyanka.jain at nxp.com
Tue Nov 19 06:07:25 UTC 2019



>-----Original Message-----
>From: Yangbo Lu <yangbo.lu at nxp.com>
>Sent: Tuesday, November 12, 2019 4:59 PM
>To: u-boot at lists.denx.de
>Cc: Peng Fan <peng.fan at nxp.com>; Feng Li <feng.li_2 at nxp.com>; Alison
>Wang <alison.wang at nxp.com>; Sumit Garg <sumit.garg at nxp.com>; Priyanka
>Jain <priyanka.jain at nxp.com>; Mario Six <mario.six at gdsys.cc>; Y.b. Lu
><yangbo.lu at nxp.com>
>Subject: [PATCH 3/4] arm: drop eSDHC clock getting in mxc_get_clock() for
>layerscape
>
>Although layerscape platforms reuse mxc_get_clock() of i.MX platforms,
>eSDHC clock getting do not have to use it. It uses global data
>gd->arch.sdhc_clk directly in fsl_esdhc driver. Even there are more
>than one eSDHC controllers on SoC, they use same reference clock.
>
>Signed-off-by: Yangbo Lu <yangbo.lu at nxp.com>
>---
> arch/arm/cpu/armv7/ls102xa/clock.c                  |  2 --
> arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c | 15 ---------------
>arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c | 15 ---------------
> arch/arm/include/asm/arch-fsl-layerscape/clock.h    |  2 --
> arch/arm/include/asm/arch-ls102xa/clock.h           |  1 -
> 5 files changed, 35 deletions(-)
>
>diff --git a/arch/arm/cpu/armv7/ls102xa/clock.c
>b/arch/arm/cpu/armv7/ls102xa/clock.c
>index 30c7b37..7a1053c 100644
>--- a/arch/arm/cpu/armv7/ls102xa/clock.c
>+++ b/arch/arm/cpu/armv7/ls102xa/clock.c
>@@ -109,8 +109,6 @@ unsigned int mxc_get_clock(enum mxc_clock clk)
> 	switch (clk) {
> 	case MXC_I2C_CLK:
> 		return get_bus_freq(0) / 2;
>-	case MXC_ESDHC_CLK:
>-		return get_bus_freq(0);
> 	case MXC_DSPI_CLK:
> 		return get_bus_freq(0) / 2;
> 	case MXC_UART_CLK:
>diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c
>b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c
>index df4df9a..6d82cfe 100644
>--- a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c
>+++ b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c
>@@ -227,16 +227,6 @@ ulong get_ddr_freq(ulong dummy)
> 	return gd->mem_clk;
> }
>
>-#ifdef CONFIG_FSL_ESDHC
>-int get_sdhc_freq(ulong dummy)
>-{
>-	if (!gd->arch.sdhc_clk)
>-		get_clocks();
>-
>-	return gd->arch.sdhc_clk;
>-}
>-#endif
>-
> int get_serial_clock(void)
> {
> 	return get_bus_freq(0) / CONFIG_SYS_FSL_DUART_CLK_DIV; @@ -
>264,11 +254,6 @@ unsigned int mxc_get_clock(enum mxc_clock clk)
> 	switch (clk) {
> 	case MXC_I2C_CLK:
> 		return get_i2c_freq(0);
>-#if defined(CONFIG_FSL_ESDHC)
>-	case MXC_ESDHC_CLK:
>-	case MXC_ESDHC2_CLK:
>-		return get_sdhc_freq(0);
>-#endif
> 	case MXC_DSPI_CLK:
> 		return get_dspi_freq(0);
> #ifdef CONFIG_FSL_LPUART
>diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c
>b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c
>index b3e6732..1f8289d 100644
>--- a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c
>+++ b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c
>@@ -236,16 +236,6 @@ int get_dspi_freq(ulong dummy)
> 	return get_bus_freq(0) / CONFIG_SYS_FSL_DSPI_CLK_DIV;  }
>
>-#ifdef CONFIG_FSL_ESDHC
>-int get_sdhc_freq(ulong dummy)
>-{
>-	if (!gd->arch.sdhc_clk)
>-		get_clocks();
>-
>-	return gd->arch.sdhc_clk;
>-}
>-#endif
>-
> int get_serial_clock(void)
> {
> 	return get_bus_freq(0) / CONFIG_SYS_FSL_DUART_CLK_DIV; @@ -
>256,11 +246,6 @@ unsigned int mxc_get_clock(enum mxc_clock clk)
> 	switch (clk) {
> 	case MXC_I2C_CLK:
> 		return get_i2c_freq(0);
>-#if defined(CONFIG_FSL_ESDHC)
>-	case MXC_ESDHC_CLK:
>-	case MXC_ESDHC2_CLK:
>-		return get_sdhc_freq(0);
>-#endif
> 	case MXC_DSPI_CLK:
> 		return get_dspi_freq(0);
> 	default:
>diff --git a/arch/arm/include/asm/arch-fsl-layerscape/clock.h
>b/arch/arm/include/asm/arch-fsl-layerscape/clock.h
>index b37a08d..95d6156 100644
>--- a/arch/arm/include/asm/arch-fsl-layerscape/clock.h
>+++ b/arch/arm/include/asm/arch-fsl-layerscape/clock.h
>@@ -14,8 +14,6 @@ enum mxc_clock {
> 	MXC_ARM_CLK = 0,
> 	MXC_BUS_CLK,
> 	MXC_UART_CLK,
>-	MXC_ESDHC_CLK,
>-	MXC_ESDHC2_CLK,
> 	MXC_I2C_CLK,
> 	MXC_DSPI_CLK,
> };
>diff --git a/arch/arm/include/asm/arch-ls102xa/clock.h
>b/arch/arm/include/asm/arch-ls102xa/clock.h
>index bf67df5..e66e57f 100644
>--- a/arch/arm/include/asm/arch-ls102xa/clock.h
>+++ b/arch/arm/include/asm/arch-ls102xa/clock.h
>@@ -12,7 +12,6 @@
> enum mxc_clock {
> 	MXC_ARM_CLK = 0,
> 	MXC_UART_CLK,
>-	MXC_ESDHC_CLK,
> 	MXC_I2C_CLK,
> 	MXC_DSPI_CLK,
> };
>--
>2.7.4
Reviewed-by: Priyanka Jain <priyanka.jain at nxp.com>


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