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Commit 5e8bb41c authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Alexandre Belloni
Browse files

ARM: Orion5x: ts78xx: remove RTC detection 



The rtc-m48t86 driver now handles the RTC detection. Remove the
redundant code from the platform.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Acked-By: default avatarAlexander Clouter <alex+kernel@digriz.org.uk>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
parent 5594e88a

arch/arm/mach-orion5x/ts78xx-setup.c

+12 −39
Original line number Diff line number Diff line
@@ -109,50 +109,23 @@ static struct platform_device ts78xx_ts_rtc_device = { 
	.num_resources	= 0,

};



/*

 * TS uses some of the user storage space on the RTC chip so see if it is

 * present; as it's an optional feature at purchase time and not all boards

 * will have it present

 *

 * I've used the method TS use in their rtc7800.c example for the detection

 *

 * TODO: track down a guinea pig without an RTC to see if we can work out a

 *		better RTC detection routine

 */

static int ts78xx_ts_rtc_load(void)

{

	int rc;

	unsigned char tmp_rtc0, tmp_rtc1;



	tmp_rtc0 = ts78xx_ts_rtc_readbyte(126);

	tmp_rtc1 = ts78xx_ts_rtc_readbyte(127);



	ts78xx_ts_rtc_writebyte(0x00, 126);

	ts78xx_ts_rtc_writebyte(0x55, 127);

	if (ts78xx_ts_rtc_readbyte(127) == 0x55) {

		ts78xx_ts_rtc_writebyte(0xaa, 127);

		if (ts78xx_ts_rtc_readbyte(127) == 0xaa

				&& ts78xx_ts_rtc_readbyte(126) == 0x00) {

			ts78xx_ts_rtc_writebyte(tmp_rtc0, 126);

			ts78xx_ts_rtc_writebyte(tmp_rtc1, 127);



	if (ts78xx_fpga.supports.ts_rtc.init == 0) {

		rc = platform_device_register(&ts78xx_ts_rtc_device);

		if (!rc)

			ts78xx_fpga.supports.ts_rtc.init = 1;

			} else

	} else {

		rc = platform_device_add(&ts78xx_ts_rtc_device);

	}



	if (rc)

				pr_info("RTC could not be registered: %d\n",

					rc);

		pr_info("RTC could not be registered: %d\n", rc);



	return rc;

}

	}



	pr_info("RTC not found\n");

	return -ENODEV;

};



static void ts78xx_ts_rtc_unload(void)

{