From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/2] imx: mx6ul/sx: Fix issue in LCDIF clock dividers calculation
Date: Tue, 26 Jan 2016 15:12:10 +0100 [thread overview]
Message-ID: <56A77EBA.20701@denx.de> (raw)
In-Reply-To: <1453816918-25383-2-git-send-email-ye.li@nxp.com>
On 26/01/2016 15:01, Ye Li wrote:
> The checking with max frequency supported is not correct, because the temp
> is calculated by max pre and post dividers. We can decrease any divider to
> meet the max frequency limitation. Actually, the calculation below the codes
> is doing this way to find best pre and post dividers.
>
> Signed-off-by: Ye Li <ye.li@nxp.com>
> ---
> arch/arm/cpu/armv7/mx6/clock.c | 4 ----
> 1 files changed, 0 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c
> index 007204d..88380a6 100644
> --- a/arch/arm/cpu/armv7/mx6/clock.c
> +++ b/arch/arm/cpu/armv7/mx6/clock.c
> @@ -638,10 +638,6 @@ void mxs_set_lcdclk(u32 base_addr, u32 freq)
> }
>
> temp = freq * max_pred * max_postd;
> - if (temp > max) {
> - puts("Please decrease freq, too large!\n");
> - return;
> - }
> if (temp < min) {
> /*
> * Register: PLL_VIDEO
>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Best regards,
Stefano Babic
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next prev parent reply other threads:[~2016-01-26 14:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-26 14:01 [U-Boot] [PATCH 1/2] imx: mx6sx: Fix issue in LCDIF clock enablement Ye Li
2016-01-26 14:01 ` [U-Boot] [PATCH 2/2] imx: mx6ul/sx: Fix issue in LCDIF clock dividers calculation Ye Li
2016-01-26 14:12 ` Stefano Babic [this message]
2016-02-02 20:26 ` Stefano Babic
2016-01-26 14:11 ` [U-Boot] [PATCH 1/2] imx: mx6sx: Fix issue in LCDIF clock enablement Stefano Babic
2016-02-02 20:25 ` Stefano Babic
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