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Commit eddcb311 authored by Zhiqiang Tu's avatar Zhiqiang Tu Committed by Gerrit - the friendly Code Review server
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clk: msm: Fix signal interrupt issue for virtual clock 



Virtual clock operations returned error when received signal.
Uninterruptible flag is added in receiving response to avoid
being interrupted by signal.

Change-Id: Id3b5b56432751ec5b49c36a028444c0360fe811f
Signed-off-by: default avatarZhiqiang Tu <ztu@codeaurora.org>
parent 785f45b6

drivers/clk/msm/virtclk-front.c

+11 −6
Original line number Diff line number Diff line
@@ -77,7 +77,7 @@ static int virtclk_front_get_id(struct clk *clk) 
	}



	ret = habmm_socket_recv(handle, &rsp, &rsp_size,

			UINT_MAX, 0);

			UINT_MAX, HABMM_SOCKET_RECV_FLAGS_UNINTERRUPTIBLE);

	if (ret) {

		pr_err("%s: habmm socket receive failed (%d)\n", clk->dbg_name,

				ret);
@@ -132,7 +132,8 @@ static int virtclk_front_prepare(struct clk *clk) 
		goto err_out;

	}



	ret = habmm_socket_recv(handle, &rsp, &rsp_size, UINT_MAX, 0);

	ret = habmm_socket_recv(handle, &rsp, &rsp_size, UINT_MAX,

			HABMM_SOCKET_RECV_FLAGS_UNINTERRUPTIBLE);

	if (ret) {

		pr_err("%s: habmm socket receive failed (%d)\n", clk->dbg_name,

				ret);
@@ -185,7 +186,8 @@ static void virtclk_front_unprepare(struct clk *clk) 
		goto err_out;

	}



	ret = habmm_socket_recv(handle, &rsp, &rsp_size, UINT_MAX, 0);

	ret = habmm_socket_recv(handle, &rsp, &rsp_size, UINT_MAX,

			HABMM_SOCKET_RECV_FLAGS_UNINTERRUPTIBLE);

	if (ret) {

		pr_err("%s: habmm socket receive failed (%d)\n", clk->dbg_name,

				ret);
@@ -236,7 +238,8 @@ static int virtclk_front_reset(struct clk *clk, enum clk_reset_action action) 
		goto err_out;

	}



	ret = habmm_socket_recv(handle, &rsp, &rsp_size, UINT_MAX, 0);

	ret = habmm_socket_recv(handle, &rsp, &rsp_size, UINT_MAX,

			HABMM_SOCKET_RECV_FLAGS_UNINTERRUPTIBLE);

	if (ret) {

		pr_err("%s: habmm socket receive failed (%d)\n", clk->dbg_name,

				ret);
@@ -290,7 +293,8 @@ static int virtclk_front_set_rate(struct clk *clk, unsigned long rate) 
		goto err_out;

	}



	ret = habmm_socket_recv(handle, &rsp, &rsp_size, UINT_MAX, 0);

	ret = habmm_socket_recv(handle, &rsp, &rsp_size, UINT_MAX,

			HABMM_SOCKET_RECV_FLAGS_UNINTERRUPTIBLE);

	if (ret) {

		pr_err("%s: habmm socket receive failed (%d)\n", clk->dbg_name,

				ret);
@@ -362,7 +366,8 @@ static unsigned long virtclk_front_get_rate(struct clk *clk) 
		goto err_out;

	}



	ret = habmm_socket_recv(handle, &rsp, &rsp_size, UINT_MAX, 0);

	ret = habmm_socket_recv(handle, &rsp, &rsp_size, UINT_MAX,

			HABMM_SOCKET_RECV_FLAGS_UNINTERRUPTIBLE);

	if (ret) {

		ret = 0;

		pr_err("%s: habmm socket receive failed (%d)\n", clk->dbg_name,