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Message-ID: <ccb7de6dc94e4493bbf8685c4d8b3421@BL2PR03MB467.namprd03.prod.outlook.com>
Date: Tue, 14 Oct 2014 10:32:32 +0000
From: Jingchang Lu <jingchang.lu@...escale.com>
To: Jingchang Lu <jingchang.lu@...escale.com>,
"mturquette@...aro.org" <mturquette@...aro.org>
CC: Scott Wood <scottwood@...escale.com>,
"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCHv5] clk: ppc-corenet: rename to qoriq and add
CLK_OF_DECLARE support
Hi, Scott and Mike,
Could you please help review this patch. Thanks.
Best Regards,
Jingchang
>-----Original Message-----
>From: Jingchang Lu [mailto:jingchang.lu@...escale.com]
>Sent: Friday, October 10, 2014 5:15 PM
>To: mturquette@...aro.org
>Cc: Wood Scott-B07421; linuxppc-dev@...ts.ozlabs.org; linux-
>kernel@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; Lu
>Jingchang-B35083
>Subject: [PATCHv5] clk: ppc-corenet: rename to qoriq and add
>CLK_OF_DECLARE support
>
>The IP is shared by PPC and ARM, this renames it to qoriq for better
>represention, and this also adds the CLK_OF_DECLARE support for being
>initialized by of_clk_init() on ARM.
>
>Signed-off-by: Jingchang Lu <jingchang.lu@...escale.com>
>---
>changes in v5:
> update drivers/cpufreq/Kconfig.powerpc to slect the renamed config option.
>
>changes in v4:
> remove "corenet" literals omitted in v3 remove.
>
>changes in v3:
> generate the patch with -M -C option
>
>changes in v2:
> rename the driver name to ppc-qoriq.c for shared on PPC and ARM.
>
> drivers/clk/Kconfig | 10 ++++-----
> drivers/clk/Makefile | 2 +-
> drivers/clk/{clk-ppc-corenet.c => clk-qoriq.c} | 29 +++++++++++++++------
>-----
> drivers/cpufreq/Kconfig.powerpc | 2 +-
> 4 files changed, 24 insertions(+), 19 deletions(-) rename
>drivers/clk/{clk-ppc-corenet.c => clk-qoriq.c} (89%)
>
>diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index
>455fd17..4706a9f 100644
>--- a/drivers/clk/Kconfig
>+++ b/drivers/clk/Kconfig
>@@ -101,12 +101,12 @@ config COMMON_CLK_AXI_CLKGEN
> Support for the Analog Devices axi-clkgen pcore clock generator
>for Xilinx
> FPGAs. It is commonly used in Analog Devices' reference designs.
>
>-config CLK_PPC_CORENET
>- bool "Clock driver for PowerPC corenet platforms"
>- depends on PPC_E500MC && OF
>+config CLK_QORIQ
>+ bool "Clock driver for Freescale QorIQ platforms"
>+ depends on (PPC_E500MC || ARM) && OF
> ---help---
>- This adds the clock driver support for Freescale PowerPC corenet
>- platforms using common clock framework.
>+ This adds the clock driver support for Freescale QorIQ platforms
>+ using common clock framework.
>
> config COMMON_CLK_XGENE
> bool "Clock driver for APM XGene SoC"
>diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index
>d5fba5b..4ff94cd 100644
>--- a/drivers/clk/Makefile
>+++ b/drivers/clk/Makefile
>@@ -30,7 +30,7 @@ obj-$(CONFIG_ARCH_MOXART) += clk-moxart.o
> obj-$(CONFIG_ARCH_NOMADIK) += clk-nomadik.o
> obj-$(CONFIG_ARCH_NSPIRE) += clk-nspire.o
> obj-$(CONFIG_COMMON_CLK_PALMAS) += clk-palmas.o
>-obj-$(CONFIG_CLK_PPC_CORENET) += clk-ppc-corenet.o
>+obj-$(CONFIG_CLK_QORIQ) += clk-qoriq.o
> obj-$(CONFIG_COMMON_CLK_RK808) += clk-rk808.o
> obj-$(CONFIG_COMMON_CLK_S2MPS11) += clk-s2mps11.o
> obj-$(CONFIG_COMMON_CLK_SI5351) += clk-si5351.o
>diff --git a/drivers/clk/clk-ppc-corenet.c b/drivers/clk/clk-qoriq.c
>similarity index 89% rename from drivers/clk/clk-ppc-corenet.c rename to
>drivers/clk/clk-qoriq.c index 8e58edf..48cb923 100644
>--- a/drivers/clk/clk-ppc-corenet.c
>+++ b/drivers/clk/clk-qoriq.c
>@@ -5,7 +5,7 @@
> * it under the terms of the GNU General Public License version 2 as
> * published by the Free Software Foundation.
> *
>- * clock driver for Freescale PowerPC corenet SoCs.
>+ * clock driver for Freescale QorIQ SoCs.
> */
> #include <linux/clk-provider.h>
> #include <linux/io.h>
>@@ -155,7 +155,7 @@ static void __init core_pll_init(struct device_node
>*np)
>
> base = of_iomap(np, 0);
> if (!base) {
>- pr_err("clk-ppc: iomap error\n");
>+ pr_err("clk-qoriq: iomap error\n");
> return;
> }
>
>@@ -252,7 +252,7 @@ static void __init sysclk_init(struct device_node
>*node)
> u32 rate;
>
> if (!np) {
>- pr_err("ppc-clk: could not get parent node\n");
>+ pr_err("qoriq-clk: could not get parent node\n");
> return;
> }
>
>@@ -278,30 +278,35 @@ static const struct of_device_id clk_match[]
>__initconst = {
> {}
> };
>
>-static int __init ppc_corenet_clk_probe(struct platform_device *pdev)
>+static int __init qoriq_clk_probe(struct platform_device *pdev)
> {
> of_clk_init(clk_match);
>
> return 0;
> }
>
>-static const struct of_device_id ppc_clk_ids[] __initconst = {
>+static const struct of_device_id qoriq_clk_ids[] __initconst = {
> { .compatible = "fsl,qoriq-clockgen-1.0", },
> { .compatible = "fsl,qoriq-clockgen-2.0", },
> {}
> };
>
>-static struct platform_driver ppc_corenet_clk_driver __initdata = {
>+static struct platform_driver qoriq_clk_driver __initdata = {
> .driver = {
>- .name = "ppc_corenet_clock",
>+ .name = "qoriq_clock",
> .owner = THIS_MODULE,
>- .of_match_table = ppc_clk_ids,
>+ .of_match_table = qoriq_clk_ids,
> },
>- .probe = ppc_corenet_clk_probe,
>+ .probe = qoriq_clk_probe,
> };
>
>-static int __init ppc_corenet_clk_init(void)
>+static int __init qoriq_clk_init(void)
> {
>- return platform_driver_register(&ppc_corenet_clk_driver);
>+ return platform_driver_register(&qoriq_clk_driver);
> }
>-subsys_initcall(ppc_corenet_clk_init);
>+subsys_initcall(qoriq_clk_init);
>+
>+CLK_OF_DECLARE(qoriq_core_pll_v1, "fsl,qoriq-core-pll-1.0",
>+core_pll_init); CLK_OF_DECLARE(qoriq_core_pll_v2,
>+"fsl,qoriq-core-pll-2.0", core_pll_init);
>+CLK_OF_DECLARE(qoriq_core_mux_v1, "fsl,qoriq-core-mux-1.0",
>+core_mux_init); CLK_OF_DECLARE(qoriq_core_mux_v2,
>+"fsl,qoriq-core-mux-2.0", core_mux_init);
>diff --git a/drivers/cpufreq/Kconfig.powerpc
>b/drivers/cpufreq/Kconfig.powerpc index 72564b7..7ea2441 100644
>--- a/drivers/cpufreq/Kconfig.powerpc
>+++ b/drivers/cpufreq/Kconfig.powerpc
>@@ -26,7 +26,7 @@ config CPU_FREQ_MAPLE
> config PPC_CORENET_CPUFREQ
> tristate "CPU frequency scaling driver for Freescale E500MC SoCs"
> depends on PPC_E500MC && OF && COMMON_CLK
>- select CLK_PPC_CORENET
>+ select CLK_QORIQ
> help
> This adds the CPUFreq driver support for Freescale e500mc,
> e5500 and e6500 series SoCs which are capable of changing
>--
>1.8.0
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