From mboxrd@z Thu Jan 1 00:00:00 1970 From: sboyd@codeaurora.org (Stephen Boyd) Date: Tue, 19 May 2015 12:51:20 -0700 Subject: [PATCH v2 5/9] ARM: mediatek: enable gpt6 on boot up to make arch timer working In-Reply-To: <1431763110-443-6-git-send-email-yingjoe.chen@mediatek.com> References: <1431763110-443-1-git-send-email-yingjoe.chen@mediatek.com> <1431763110-443-6-git-send-email-yingjoe.chen@mediatek.com> Message-ID: <555B9438.9020404@codeaurora.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 05/16/15 00:58, Yingjoe Chen wrote: > diff --git a/arch/arm/mach-mediatek/mediatek.c b/arch/arm/mach-mediatek/mediatek.c > index a954900..6b38d67 100644 > --- a/arch/arm/mach-mediatek/mediatek.c > +++ b/arch/arm/mach-mediatek/mediatek.c > @@ -16,6 +16,34 @@ > */ > #include > #include > +#include > +#include > +#include > + > + > +#define GPT6_CON_MT65xx 0x10008060 > +#define GPT_ENABLE 0x31 > + > +static void __init mediatek_timer_init(void) > +{ > + void __iomem *gpt_base = 0; = NULL ? > + > + if (of_machine_is_compatible("mediatek,mt6589") || > + of_machine_is_compatible("mediatek,mt8135") || > + of_machine_is_compatible("mediatek,mt8127")) { > + /* turn on GPT6 which ungates arch timer clocks */ > + gpt_base = ioremap(GPT6_CON_MT65xx, 0x04); > + } > + > + /* enabel clock and set to free-run */ s/enabel/enable/ > + if (gpt_base) { > + writel(GPT_ENABLE, gpt_base); > + iounmap(gpt_base); > + } > + Why not join the two conditions together? > + of_clk_init(NULL); > + clocksource_of_init(); > +}; > > static const char * const mediatek_board_dt_compat[] = { > "mediatek,mt6589", > -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project