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Commit faed4066 authored by Baruch Siach's avatar Baruch Siach Committed by Sascha Hauer
Browse files

mx25: fix time accounting 



The gpt_clk rate function doesn't consider the PER divider. This causes a
significant drift in time accounting. Fix this by introducing the correct rate
calculation function.

Signed-off-by: default avatarBaruch Siach <baruch@tkos.co.il>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 828df43f

arch/arm/mach-mx25/clock.c

+6 −1
Original line number Diff line number Diff line
@@ -119,6 +119,11 @@ static unsigned long get_rate_nfc(struct clk *clk) 
	return get_rate_per(8);

}



static unsigned long get_rate_gpt(struct clk *clk)

{

	return get_rate_per(5);

}



static unsigned long get_rate_otg(struct clk *clk)

{

	return 48000000; /* FIXME */
@@ -156,7 +161,7 @@ static void clk_cgcr_disable(struct clk *clk) 
		.secondary	= s,			\

	}



DEFINE_CLOCK(gpt_clk,    0, CCM_CGCR0,  5, get_rate_ipg, NULL, NULL);

DEFINE_CLOCK(gpt_clk,    0, CCM_CGCR0,  5, get_rate_gpt, NULL, NULL);

DEFINE_CLOCK(uart_per_clk, 0, CCM_CGCR0, 15, get_rate_uart, NULL, NULL);

DEFINE_CLOCK(cspi1_clk,  0, CCM_CGCR1,  5, get_rate_ipg, NULL, NULL);

DEFINE_CLOCK(cspi2_clk,  0, CCM_CGCR1,  6, get_rate_ipg, NULL, NULL);