Commit 23fc92fa authored by Sakari Ailus's avatar Sakari Ailus Committed by Mauro Carvalho Chehab
Browse files

media: smiapp: Don't poll for NVM ready on devices that don't need it 



Only some devices require polling for NVM ready. Do the polling only on
devices that need it.

Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent d5e550cf

drivers/media/i2c/smiapp/smiapp-core.c

+17 −11
Original line number Diff line number Diff line
@@ -986,21 +986,27 @@ static int smiapp_read_nvm_page(struct smiapp_sensor *sensor, u32 p, u8 *nvm) 
	if (rval)

		return rval;



	if (sensor->limits[SMIAPP_LIMIT_DATA_TRANSFER_IF_CAPABILITY] &

	    SMIAPP_DATA_TRANSFER_IF_CAPABILITY_POLL) {

		for (i = 1000; i > 0; i--) {

			u32 s;



			rval = smiapp_read(

				sensor,

			SMIAPP_REG_U8_DATA_TRANSFER_IF_1_STATUS, &s);

				SMIAPP_REG_U8_DATA_TRANSFER_IF_1_STATUS,

				&s);



			if (rval)

				return rval;



			if (s & SMIAPP_DATA_TRANSFER_IF_1_STATUS_RD_READY)

				break;



		}



		if (!i)

			return -ETIMEDOUT;

	}



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

		u32 v;