From: Sascha Hauer <sha@pengutronix.de>
To: Marco Felsch <m.felsch@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH v3 1/3] driver: add flag to check if cdev is an mci device
Date: Wed, 12 May 2021 07:25:26 +0200 [thread overview]
Message-ID: <20210512052526.GJ19819@pengutronix.de> (raw)
In-Reply-To: <20210510102523.7147-1-m.felsch@pengutronix.de>
On Mon, May 10, 2021 at 12:25:21PM +0200, Marco Felsch wrote:
> We need this during mount() to check if the cdev is an mmc/mci main|user
> hardware partition device. Later on we add the feature to pass
> "root=/dev/mmcblkXpN" as kernel command line.
>
> Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
> ---
Applied, thanks
Sascha
> v3:
> - no changes
>
> v2:
> - dropped the !!
> - renamed the flag due to v1 comments
> - renamed the function to
>
> include/driver.h | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/include/driver.h b/include/driver.h
> index 0d43b36148..d84fe35d50 100644
> --- a/include/driver.h
> +++ b/include/driver.h
> @@ -496,6 +496,7 @@ int cdev_erase(struct cdev *cdev, loff_t count, loff_t offset);
> #define DEVFS_PARTITION_READONLY (1U << 1)
> #define DEVFS_IS_CHARACTER_DEV (1U << 3)
> #define DEVFS_PARTITION_FROM_TABLE (1U << 4)
> +#define DEVFS_IS_MCI_MAIN_PART_DEV (1U << 5)
>
> struct cdev *devfs_add_partition(const char *devname, loff_t offset,
> loff_t size, unsigned int flags, const char *name);
> @@ -509,6 +510,11 @@ static inline void cdev_create_default_automount(struct cdev *cdev)
> }
> #endif
>
> +static inline bool cdev_is_mci_main_part_dev(struct cdev *cdev)
> +{
> + return cdev->flags & DEVFS_IS_MCI_MAIN_PART_DEV;
> +}
> +
> #define DEVFS_PARTITION_APPEND 0
>
> /**
> --
> 2.29.2
>
>
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
>
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prev parent reply other threads:[~2021-05-12 5:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-10 10:25 Marco Felsch
2021-05-10 10:25 ` [PATCH v3 2/3] mci: mci-core: set the DEVFS_IS_MCI_MAIN_PART_DEV flag Marco Felsch
2021-05-10 10:25 ` [PATCH v3 3/3] fs: add linux_rootarg 'root=mmcblkXpN' support Marco Felsch
2021-05-12 5:25 ` Sascha Hauer [this message]
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