Re: [PATCH 2/2] ARM: mach-imx: CAN clock fix for i.MX53

Sascha Hauer
2012-10-29T21:20:50Z

Roland,

Do you have updates on this one? I think this patch is wrong, specifying
the clock rate in the devicetree is only for PowerPC, so I think this
needs further investigation.

Sascha

On Thu, Oct 25, 2012 at 01:26:40PM +0200, Roland Stigge wrote:
> This patch fixes CAN clocking on i.MX53.
>
> Signed-off-by: Roland Stigge <stigge@antcom.de>
>
> ---
> arch/arm/mach-imx/clk-imx51-imx53.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> --- linux-2.6.orig/arch/arm/mach-imx/clk-imx51-imx53.c
> +++ linux-2.6/arch/arm/mach-imx/clk-imx51-imx53.c
> @@ -426,10 +426,10 @@ int __init mx53_clocks_init(unsigned lon
> clk[usb_phy2_gate] = imx_clk_gate2("usb_phy2_gate", "usb_phy_sel", MXC_CCM_CCGR4, 12);
> clk[can_sel] = imx_clk_mux("can_sel", MXC_CCM_CSCMR2, 6, 2,
> mx53_can_sel, ARRAY_SIZE(mx53_can_sel));
> - clk[can1_serial_gate] = imx_clk_gate2("can1_serial_gate", "can_sel", MXC_CCM_CCGR6, 22);
> - clk[can1_ipg_gate] = imx_clk_gate2("can1_ipg_gate", "ipg", MXC_CCM_CCGR6, 20);
> - clk[can2_serial_gate] = imx_clk_gate2("can2_serial_gate", "can_sel", MXC_CCM_CCGR4, 8);
> - clk[can2_ipg_gate] = imx_clk_gate2("can2_ipg_gate", "ipg", MXC_CCM_CCGR4, 6);
> + clk[can1_serial_gate] = imx_clk_gate2("can1_serial_gate", "can_sel", MXC_CCM_CCGR4, 6);
> + clk[can1_ipg_gate] = imx_clk_gate2("can1_ipg_gate", "ipg", MXC_CCM_CCGR4, 8);
> + clk[can2_serial_gate] = imx_clk_gate2("can2_serial_gate", "can_sel", MXC_CCM_CCGR4, 6);
> + clk[can2_ipg_gate] = imx_clk_gate2("can2_ipg_gate", "ipg", MXC_CCM_CCGR4, 8);
> clk[i2c3_gate] = imx_clk_gate2("i2c3_gate", "per_root", MXC_CCM_CCGR1, 22);
>
> for (i = 0; i < ARRAY_SIZE(clk); i++)
>

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