• Vladimir Zapolskiy's avatar
    genalloc: add support of multiple gen_pools per device · c98c3635
    Vladimir Zapolskiy authored
    This change fills devm_gen_pool_create()/gen_pool_get() "name" argument
    stub with contents and extends of_gen_pool_get() functionality on this
    basis.
    
    If there is no associated platform device with a device node passed to
    of_gen_pool_get(), the function attempts to get a label property or device
    node name (= repeats MTD OF partition standard) and seeks for a named
    gen_pool registered by device of the parent device node.
    
    The main idea of the change is to allow registration of independent
    gen_pools under the same umbrella device, say "partitions" on "storage
    device", the original functionality of one "partition" per "storage
    device" is untouched.
    
    [akpm@linux-foundation.org: fix constness in devres_find()]
    [dan.carpenter@oracle.com: freeing const data pointers]
    Signed-off-by: default avatarVladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
    Cc: Philipp Zabel <p.zabel@pengutronix.de>
    Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Cc: Russell King <linux@arm.linux.org.uk>
    Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
    Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>
    Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
    Cc: Shawn Guo <shawnguo@kernel.org>
    Cc: Sascha Hauer <kernel@pengutronix.de>
    Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
    Cc: Arnd Bergmann <arnd@arndb.de>
    Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
    Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
    Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
    c98c3635
genalloc.c 19 KB