Commit 0c4d6af4 authored Mar 27, 2015 by Li Jun Committed by Peter Chen Apr 08, 2015

usb: chipidea: debug: add low power mode check before print registers



Since the required clock to access registers is gated off in low power mode,
add ci->in_lpm check before try to dump registers value.

Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>

parent 9b6567e1

drivers/usb/chipidea/debug.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -336,8 +336,8 @@ static int ci_registers_show(struct seq_file s, void unused)
		struct ci_hdrc *ci = s->private;
		u32 tmp_reg;

		if (!ci)
		return 0;
		if (!ci \|\| ci->in_lpm)
		return -EPERM;

		/* ------ Registers ----- */
		tmp_reg = hw_read_intr_enable(ci);