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SubjectRe: [PATCH] s3mci: mark debug_regs[] as static
On 3 January 2018 at 10:26, Arnd Bergmann <arnd@arndb.de> wrote:
> The global array clashes with a newly added symbol of the same name:
>
> drivers/staging/ccree/cc_debugfs.o:(.data+0x0): multiple definition of `debug_regs'
> drivers/mmc/host/s3cmci.o:(.data+0x70): first defined here
>
> We should fix both, this one addresses the s3cmci driver by removing
> the symbol from the global namespace.
>
> Fixes: 9bdd203b4dc8 ("s3cmci: add debugfs support for examining driver and hardware state")

Seems like we need a stable tag as well, would you mind adding it in
the next re-spin?

> Fixes: b3ec9a6736f2 ("staging: ccree: staging: ccree: replace sysfs by debugfs interface")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> drivers/mmc/host/s3cmci.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
> index 36daee1e6588..24b27e0957e7 100644
> --- a/drivers/mmc/host/s3cmci.c
> +++ b/drivers/mmc/host/s3cmci.c
> @@ -1421,7 +1421,7 @@ static const struct file_operations s3cmci_fops_state = {
>
> #define DBG_REG(_r) { .addr = S3C2410_SDI##_r, .name = #_r }
>
> -struct s3cmci_reg {
> +static struct s3cmci_reg {
> unsigned short addr;
> unsigned char *name;
> } debug_regs[] = {

I am not very fond of these kind of declarations/definitions. How
about if we instead move the declaration of debug_regs[] to a separate
line? Moreover, should it be const?

static struct s3cmci_reg debug_regs[] = {

Kind regards
Uffe

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