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Commit 06a3206b authored by Tarun Gupta's avatar Tarun Gupta
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USB: ice40-hcd: Add retry for loading firmware 



Add 3 retry for loading firmware so that if firmware load fails for first
time it will not fail loading of module. If loading of firmware fails for
3 time consecutively then this exits returning error code.

Change-Id: I8fc25383daf72917dc286b30121fbddc2282920c
Signed-off-by: default avatarTarun Gupta <tarung@codeaurora.org>
parent 636d7495

drivers/usb/host/ice40-hcd.c

+13 −2
Original line number Diff line number Diff line
@@ -1229,7 +1229,7 @@ static int ice40_bus_resume(struct usb_hcd *hcd) 
{

	struct ice40_hcd *ihcd = hcd_to_ihcd(hcd);

	u8 ctrl0;

	int ret;

	int ret, i;



	pm_stay_awake(&ihcd->spi->dev);

	trace_ice40_bus_resume(0); /* start */
@@ -1238,7 +1238,18 @@ static int ice40_bus_resume(struct usb_hcd *hcd) 
	 * Re-program the previous settings. For now we need to

	 * update the device address only.

	 */

	ice40_spi_load_fw(ihcd);



	for (i = 0; i < 3; i++) {

		ret = ice40_spi_load_fw(ihcd);

		if (!ret)

			break;

	}



	if (ret) {

		pr_err("Load firmware failed with ret: %d\n", ret);

		return ret;

	}



	ice40_spi_reg_write(ihcd, ihcd->devnum, FADDR_REG);

	ihcd->wblen0 = ~0;