Re: [PATCH 1/2] [POWERPC] 8xx: mpc885ads pcmcia support

From: Vitaly Bordug
Date: Tue May 08 2007 - 03:25:48 EST


On Mon, 7 May 2007 08:56:09 -0500
Olof Johansson wrote:

> Hi,
>
> Some minor nitpicks below. Overall it looks good.
>
>
> -Olof
>
> On Sun, May 06, 2007 at 05:26:33AM +0400, Vitaly Bordug wrote:
> > @@ -322,6 +334,70 @@ void init_smc_ioports(struct
> > fs_uart_platform_info *data) }
> > }
> >
> > +#ifdef CONFIG_PCMCIA_M8XX
> > +static void pcmcia_hw_setup(int slot, int enable)
> > +{
> > + unsigned *bcsr_io;
> > +
> > + bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
> > + if (enable)
> > + clrbits32(bcsr_io, BCSR1_PCCEN);
> > + else
> > + setbits32(bcsr_io, BCSR1_PCCEN);
> > +
> > + iounmap(bcsr_io);
> > +}
>
> If you move this (and next) function up, you don't have to do the
> prototypes in the beginning of the file. One less #ifdef that way.
>
ok.
> > +
> > +static int pcmcia_set_voltage(int slot, int vcc, int vpp)
> > +{
> > + u32 reg = 0;
> > + unsigned *bcsr_io;
> > +
> > + bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
> > +
> > + switch(vcc) {
> > + case 0:
> > + break;
> > + case 33:
> > + reg |= BCSR1_PCCVCC0;
> > + break;
> > + case 50:
> > + reg |= BCSR1_PCCVCC1;
> > + break;
> > + default:
> > + return 1;
> > + }
> > +
> > + switch(vpp) {
> > + case 0:
> > + break;
> > + case 33:
> > + case 50:
> > + if(vcc == vpp)
> > + reg |= BCSR1_PCCVPP1;
> > + else
> > + return 1;
> > + break;
> > + case 120:
> > + if ((vcc == 33) || (vcc == 50))
> > + reg |= BCSR1_PCCVPP0;
> > + else
> > + return 1;
> > + default:
> > + return 1;
> > + }
> > +
> > + /* first, turn off all power */
> > + clrbits32(bcsr_io, 0x00610000);
> > +
> > + /* enable new powersettings */
> > + setbits32(bcsr_io, reg);
> > +
> > + iounmap(bcsr_io);
> > + return 0;
> > +}
> > +#endif
> > +
> > int platform_device_skip(const char *model, int id)
> > {
> > #ifdef CONFIG_MPC8xx_SECOND_ETH_SCC3
> > diff --git a/arch/powerpc/sysdev/fsl_soc.c
> > b/arch/powerpc/sysdev/fsl_soc.c index 8a123c7..880e45f 100644
> > --- a/arch/powerpc/sysdev/fsl_soc.c
> > +++ b/arch/powerpc/sysdev/fsl_soc.c
> > @@ -1028,6 +1028,19 @@ err:
> >
> > arch_initcall(fs_enet_of_init);
> >
> > +static int __init fsl_pcmcia_of_init(void)
> > +{
> > + struct device_node *np = NULL;
> > + /*
> > + * Register all the devices which type is "pcmcia"
> > + */
> > + while ((np = of_find_compatible_node(np,
> > + "pcmcia", "fsl,pq-pcmcia")) != NULL)
> > + of_platform_device_create(np,
> > "m8xx-pcmcia", NULL);
>
> Do you really need this now that you have the device table in the
> driver?
>
Want to keep this one for now...

> > + return 0;
> > +}
> > +
> > +arch_initcall(fsl_pcmcia_of_init);
> >
> > static const char *smc_regs = "regs";
> > static const char *smc_pram = "pram";
> > diff --git a/arch/powerpc/sysdev/mpc8xx_pic.h
> > b/arch/powerpc/sysdev/mpc8xx_pic.h index afa2ee6..07be061 100644
> > --- a/arch/powerpc/sysdev/mpc8xx_pic.h
> > +++ b/arch/powerpc/sysdev/mpc8xx_pic.h
> > @@ -4,7 +4,7 @@
> > #include <linux/irq.h>
> > #include <linux/interrupt.h>
> >
> > -extern struct hw_interrupt_type mpc8xx_pic;
> > +/*extern struct hw_interrupt_type mpc8xx_pic;*/
>
> Take it out or leave it in, but don't comment it out, please
>
ok
> >
> > int mpc8xx_pic_init(void);
> > unsigned int mpc8xx_get_irq(void);
> > diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
> > index 35f8864..c3fd55d 100644
> > --- a/drivers/pcmcia/Kconfig
> > +++ b/drivers/pcmcia/Kconfig
> > @@ -183,6 +183,7 @@ config PCMCIA_M8XX
> > tristate "MPC8xx PCMCIA support"
> > depends on PCMCIA && PPC && 8xx
> > select PCCARD_IODYN
> > + select PCCARD_NONSTATIC
>
> I was going to say "whitespace!", but seems like this added line is
> the only one that's actually using tabs. :-) (Yes, I saw 2/2 that
> fixes this).
>
> > help
> > Say Y here to include support for PowerPC 8xx series PCMCIA
> > controller.


--
Sincerely, Vitaly

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