[PATCH] USB: isp116x-hcd: use fixed power-on-to-power-good-time

This patch removes the power-on-to-power-good-time configuration option for
isp116x-hcd.

Signed-off-by: Olav Kongas <ok@artecdesign.ee>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/isp116x-hcd.c

@@ -1580,16 +1580,12 @@ static int isp116x_start(struct usb_hcd *hcd)
 	isp116x_write_reg16(isp116x, HCHWCFG, val);
 
 	/* ----- Root hub conf */
-	val = 0;
+	val = (25 << 24) & RH_A_POTPGT;
 	/* AN10003_1.pdf recommends NPS to be always 1 */
 	if (board->no_power_switching)
 		val |= RH_A_NPS;
 	if (board->power_switching_mode)
 		val |= RH_A_PSM;
-	if (board->potpg)
-		val |= (board->potpg << 24) & RH_A_POTPGT;
-	else
-		val |= (25 << 24) & RH_A_POTPGT;
 	isp116x_write_reg32(isp116x, HCRHDESCA, val);
 	isp116x->rhdesca = isp116x_read_reg32(isp116x, HCRHDESCA);
 

include/linux/usb_isp116x.h

@@ -26,8 +26,6 @@ struct isp116x_platform_data {
 	/* Ganged port power switching (0) or individual port
 	   power switching (1) */
 	unsigned power_switching_mode:1;
-	/* Given port_power, msec/2 after power on till power good */
-	u8 potpg;
 	/* Hardware reset set/clear. If implemented, this function must:
 	   if set == 0,   deassert chip's HW reset pin
 	   otherwise,     assert chip's HW reset pin       */