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Commit dd814199 authored by Hardik Kantilal Patel's avatar Hardik Kantilal Patel
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wcnss: configure iris into cxo mode 



configure iris into cxo mode when iris card not present
to avoid crash at boot time.

Change-Id: I7056ca9269be05598ffdc5545ee5647a6e432046
CRs-fixed: 691946
Signed-off-by: default avatarHardik Kantilal Patel <hkpatel@codeaurora.org>
parent 70db5225

drivers/net/wireless/wcnss/wcnss_vreg.c

+13 −0
Original line number Diff line number Diff line
@@ -256,6 +256,18 @@ configure_iris_xo(struct device *dev, 
				cpu_relax();



			iris_reg = readl_relaxed(iris_read_reg);

			pr_info("wcnss: IRIS Reg: %08x\n", iris_reg);

			if (iris_reg == PRONTO_IRIS_REG_CHIP_ID) {

				pr_info("wcnss: IRIS Card not Preset\n");

				auto_detect = WCNSS_XO_INVALID;

				/* Reset iris read bit */

				reg &= ~WCNSS_PMU_CFG_IRIS_XO_READ;

				/* Clear XO_MODE[b2:b1] bits.

				   Clear implies 19.2 MHz TCXO

				 */

				reg &= ~(WCNSS_PMU_CFG_IRIS_XO_MODE);

				goto xo_configure;

			}

			auto_detect = xo_auto_detect(iris_reg);



			/* Reset iris read bit */
@@ -278,6 +290,7 @@ configure_iris_xo(struct device *dev, 
				*iris_xo_set = WCNSS_XO_48MHZ;

		}



xo_configure:

		writel_relaxed(reg, pmu_conf_reg);



		/* Reset IRIS */