[ARM] pxa: save/restore PGSR on suspend/resume. (818bc814) · Commits · 戴 / test

arch/arm/mach-pxa/mfp-pxa2xx.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -322,6 +322,7 @@ static inline void pxa27x_mfp_init(void) {}
		#ifdef CONFIG_PM
		static unsigned long saved_gafr[2][4];
		static unsigned long saved_gpdr[4];
		static unsigned long saved_pgsr[4];

		static int pxa2xx_mfp_suspend(struct sys_device *d, pm_message_t state)
		{
		@@ -332,6 +333,7 @@ static int pxa2xx_mfp_suspend(struct sys_device *d, pm_message_t state)
		saved_gafr[0][i] = GAFR_L(i);
		saved_gafr[1][i] = GAFR_U(i);
		saved_gpdr[i] = GPDR(i * 32);
		saved_pgsr[i] = PGSR(i);

		GPDR(i * 32) = gpdr_lpm[i];
		}
		@@ -346,6 +348,7 @@ static int pxa2xx_mfp_resume(struct sys_device *d)
		GAFR_L(i) = saved_gafr[0][i];
		GAFR_U(i) = saved_gafr[1][i];
		GPDR(i * 32) = saved_gpdr[i];
		PGSR(i) = saved_pgsr[i];
		}
		PSSR = PSSR_RDH \| PSSR_PH;
		return 0;