Hi Samuel,
* Roger Quadros <rogerq@xxxxxx> [121210 02:23]:
> Instead of using cpu_is_omap..() macros in the device driver we
> rely on information provided in the platform data.
>
> The only information we need is whether the USB Host module has
> a single ULPI bypass control bit for all ports or individual bypass
> control bits for each port. OMAP3 REV2.1 and earlier have the former.
I'd like to apply this patch as a fix so I can finally nuke plat/cpu.h
for omaps by -rc1 before more drivers start using it again.
That is assuming nobody else is planning on merging this series for
v3.8 presumably. Want to ack this one?
Regards,
Tony
>
> Signed-off-by: Roger Quadros <rogerq@xxxxxx>
> CC: Tony Lindgren <tony@xxxxxxxxxxx>
> ---
> arch/arm/mach-omap2/usb-host.c | 4 ++++
> drivers/mfd/omap-usb-host.c | 2 +-
> include/linux/platform_data/usb-omap.h | 3 +++
> 3 files changed, 8 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/usb-host.c b/arch/arm/mach-omap2/usb-host.c
> index d1dbe12..2e44e8a 100644
> --- a/arch/arm/mach-omap2/usb-host.c
> +++ b/arch/arm/mach-omap2/usb-host.c
> @@ -508,6 +508,10 @@ void __init usbhs_init(const struct usbhs_omap_board_data *pdata)
> if (cpu_is_omap34xx()) {
> setup_ehci_io_mux(pdata->port_mode);
> setup_ohci_io_mux(pdata->port_mode);
> +
> + if (omap_rev() <= OMAP3430_REV_ES2_1)
> + usbhs_data.single_ulpi_bypass = true;
> +
> } else if (cpu_is_omap44xx()) {
> setup_4430ehci_io_mux(pdata->port_mode);
> setup_4430ohci_io_mux(pdata->port_mode);
> diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
> index cebfe0a..fe7906b 100644
> --- a/drivers/mfd/omap-usb-host.c
> +++ b/drivers/mfd/omap-usb-host.c
> @@ -384,7 +384,7 @@ static void omap_usbhs_init(struct device *dev)
> reg &= ~OMAP_UHH_HOSTCONFIG_P3_CONNECT_STATUS;
>
> /* Bypass the TLL module for PHY mode operation */
> - if (cpu_is_omap3430() && (omap_rev() <= OMAP3430_REV_ES2_1)) {
> + if (pdata->single_ulpi_bypass) {
> dev_dbg(dev, "OMAP3 ES version <= ES2.1\n");
> if (is_ehci_phy_mode(pdata->port_mode[0]) ||
> is_ehci_phy_mode(pdata->port_mode[1]) ||
> diff --git a/include/linux/platform_data/usb-omap.h b/include/linux/platform_data/usb-omap.h
> index 8570bcf..ef65b67 100644
> --- a/include/linux/platform_data/usb-omap.h
> +++ b/include/linux/platform_data/usb-omap.h
> @@ -59,6 +59,9 @@ struct usbhs_omap_platform_data {
>
> struct ehci_hcd_omap_platform_data *ehci_data;
> struct ohci_hcd_omap_platform_data *ohci_data;
> +
> + /* OMAP3 <= ES2.1 have a single ulpi bypass control bit */
> + unsigned single_ulpi_bypass:1;
> };
>
> /*-------------------------------------------------------------------------*/
> --
> 1.7.4.1
>
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