Commit 74e9783f authored Aug 20, 2014 by Naveen Kaje

msm_serial_hs: ensure clock_count follows clk_state



Unbalanced clock votes can cause inconsitencies
in the clk_count and clk_state. Ensure consistency during
shutdown so that the subsequent operations are not affected

CRs-Fixed: 713831
Change-Id: I7b20a56f37e84d7dbfd5d7221c29cfdb18ce3adb
Signed-off-by: Naveen Kaje <nkaje@codeaurora.org>

parent cc95eee0

drivers/tty/serial/msm_serial_hs.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -3421,6 +3421,7 @@ static void msm_hs_shutdown(struct uart_port *uport)
		msm_hs_resource_unvote(msm_uport);
		rc = atomic_read(&msm_uport->clk_count);
		if (rc) {
		atomic_set(&msm_uport->clk_count, 1);
		MSM_HS_WARN("%s(): removing extra vote\n", __func__);
		msm_hs_resource_unvote(msm_uport);
		}