Commit 8a012ff9 authored by Lee Jones's avatar Lee Jones
Browse files

mfd: twl4030-irq: Check return value from twl_i2c_write() - warn() on failure



In the original code a return value variable was provided, but it
was never checked and the user was never informed of failure.  Now
it is and they are.

Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent cddc1141
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+6 −2
Original line number Diff line number Diff line
@@ -396,13 +396,17 @@ static int twl4030_init_sih_modules(unsigned line)
			status = twl_i2c_read(sih->module, rxbuf,
				sih->mask[line].isr_offset, sih->bytes_ixr);
			if (status < 0)
				pr_err("twl4030: err %d initializing %s %s\n",
				pr_warn("twl4030: err %d initializing %s %s\n",
					status, sih->name, "ISR");

			if (!sih->set_cor)
			if (!sih->set_cor) {
				status = twl_i2c_write(sih->module, buf,
					sih->mask[line].isr_offset,
					sih->bytes_ixr);
				if (status < 0)
					pr_warn("twl4030: write failed: %d\n",
						status);
			}
			/*
			 * else COR=1 means read sufficed.
			 * (for most SIH modules...)