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SubjectRe: [PATCH v2 02/11] arm: pxa27x: support ICP DAS LP-8x4x
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On Fri, Dec 6, 2013 at 5:48 PM, Sergei Ianovich <ynvich@gmail.com> wrote:

> ICP DAS calls LP-8x4x 'programmable automation controller'. It is
> an industrial computer based on PXA270 SoC. They ship it with a 2.6.19
> kernel and proprietary kernel module and userspace library to access
> its industrial IO.

OK... so we only have device tree support for PXA3xx and noone is
working on PXA2xx. And now we pile up some more legacy code.
Such is life. But this:

> +static unsigned long lp8x4x_pin_config[] = {
> + /* MMC */
> + GPIO32_MMC_CLK,
> + GPIO112_MMC_CMD,
> + GPIO92_MMC_DAT_0,
> + GPIO109_MMC_DAT_1,
> + GPIO110_MMC_DAT_2,
> + GPIO111_MMC_DAT_3,
> +
> + /* USB Host Port 1 */
> + GPIO88_USBH1_PWR,
> + GPIO89_USBH1_PEN,
> +};

(...)
> +static void __init lp8x4x_init(void)
> +{
> + pxa2xx_mfp_config(ARRAY_AND_SIZE(lp8x4x_pin_config));
(...)

Argh! Now you're adding another user for a legacy custom pin control
implementation. But if noone is going to modernize PXA2xx what
can we do :-/

Yours,
Linus Walleij


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