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Commit b9137c1e authored by Girish Mahadevan's avatar Girish Mahadevan
Browse files

i2c: i2c-qcom-geni: Check firmware setting before transaction 



When enabling the clocks for the core, check that the correct firmware is
loaded before processing the transfer request.

Change-Id: I92ebf77f27b84c1dec8d420d90f369e55d29ea93
Signed-off-by: default avatarGirish Mahadevan <girishm@codeaurora.org>
parent 755735e7

drivers/i2c/busses/i2c-qcom-geni.c

+10 −2
Original line number Diff line number Diff line
@@ -881,9 +881,17 @@ static int geni_i2c_runtime_resume(struct device *dev) 
		return ret;



	if (gi2c->se_mode == UNINITIALIZED) {

		u32 se_mode = readl_relaxed(gi2c->base +

					GENI_IF_FIFO_DISABLE_RO);

		int proto = get_se_proto(gi2c->base);

		u32 se_mode;



		if (unlikely(proto != I2C)) {

			dev_err(gi2c->dev, "Invalid proto %d\n", proto);

			se_geni_resources_off(&gi2c->i2c_rsc);

			return -ENXIO;

		}



		se_mode = readl_relaxed(gi2c->base +

					GENI_IF_FIFO_DISABLE_RO);

		if (se_mode) {

			gi2c->se_mode = GSI_ONLY;

			geni_se_select_mode(gi2c->base, GSI_DMA);