> -----Original Message----- > From: Harish Jenny K N [mailto:harish_kandiga@xxxxxxxxxx] > Sent: Wednesday, March 07, 2018 7:38 AM > To: ulf.hansson@xxxxxxxxxx; linus.walleij@xxxxxxxxxx; > adrian.hunter@xxxxxxxxx; shawn.lin@xxxxxxxxxxxxxx; Avri Altman > <Avri.Altman@xxxxxxx>; andriy.shevchenko@xxxxxxxxxxxxxxx > Cc: linux-mmc@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > harish_kandiga@xxxxxxxxxx; Vladimir_Zapolskiy@xxxxxxxxxx > Subject: [PATCH v6] mmc: Export host capabilities to debugfs. > > This patch exports the host capabilities to debugfs > > This idea of sharing host capabilities over debugfs came up from Abbas Raza > <Abbas_Raza@xxxxxxxxxx> Earlier discussions: > https://lkml.org/lkml/2018/3/5/357 > https://www.spinics.net/lists/linux-mmc/msg48219.html > > Signed-off-by: Harish Jenny K N <harish_kandiga@xxxxxxxxxx> > --- > > > +static int mmc_caps_show(struct seq_file *s, void *unused) { > + struct mmc_host *host = s->private; > + u32 caps = host->caps; > + > + seq_puts(s, "\nMMC Host capabilities are:\n"); > + seq_puts(s, > "=============================================\n"); > + seq_printf(s, "Can the host do 4 bit transfers :\t%s\n", > + ((caps & MMC_CAP_4_BIT_DATA) ? "Yes" : "No")); Maybe use a more compact form, and just call a macro with the applicable (stringified) bit? Thanks, Avri -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
