From: cb@sgoc.de (Christoph G. Baumann) Date: Wed, 17 Jul 2013 18:27:39 +0200 Subject: [PATCH v2 2/3] mxs: register clkdev "hbus" as it is required by OCOTP In-Reply-To: <1374078460-4126-1-git-send-email-cb@sgoc.de> References: <1372855154-8422-1-git-send-email-cb@sgoc.de> <1374078460-4126-1-git-send-email-cb@sgoc.de> Message-ID: <1374078460-4126-3-git-send-email-cb@sgoc.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: "Christoph G. Baumann" The OCOTP driver needs to switch the HBUS clock when burning OTP bits. For this purpose it uses the CLK-API and requests a handler for "hbus". Trying to burn bits without registered "hbus" CLK results in a blocked user process. Signed-off-by: "Christoph G. Baumann" --- drivers/clk/mxs/clk-imx23.c | 2 ++ drivers/clk/mxs/clk-imx28.c | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/clk/mxs/clk-imx23.c b/drivers/clk/mxs/clk-imx23.c index f6a7487..ec76d00 100644 --- a/drivers/clk/mxs/clk-imx23.c +++ b/drivers/clk/mxs/clk-imx23.c @@ -168,6 +168,8 @@ int __init mx23_clocks_init(void) clk_data.clk_num = ARRAY_SIZE(clks); of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); + clk_register_clkdev(clks[hbus], NULL, "hbus"); + for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) clk_prepare_enable(clks[clks_init_on[i]]); diff --git a/drivers/clk/mxs/clk-imx28.c b/drivers/clk/mxs/clk-imx28.c index 4faf0af..792fcaf 100644 --- a/drivers/clk/mxs/clk-imx28.c +++ b/drivers/clk/mxs/clk-imx28.c @@ -247,6 +247,7 @@ int __init mx28_clocks_init(void) of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); clk_register_clkdev(clks[enet_out], NULL, "enet_out"); + clk_register_clkdev(clks[hbus], NULL, "hbus"); for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) clk_prepare_enable(clks[clks_init_on[i]]); -- 1.7.9.5