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mtd: spi-nor: Support controllers with limited TX FIFO size
authorYogesh Gaur <yogeshnarayan.gaur@nxp.com>
Wed, 13 Jun 2018 06:08:12 +0000 (11:38 +0530)
committerBoris Brezillon <boris.brezillon@bootlin.com>
Mon, 8 Oct 2018 19:28:27 +0000 (21:28 +0200)
commit630d6bd8a3b4964e8a4ccced97f7f1819c92b588
tree323fb4fc33d83b2834bee8250e5e21ec34afb031tree | snapshot
parent900f5e0d8c9edc5dacc57873d22aee2ae699a8e1commit | diff
mtd: spi-nor: Support controllers with limited TX FIFO size

Some SPI controllers can't write nor->page_size bytes in a single
step because their TX FIFO is too small.

Allow nor->write() to return a size that is smaller than the requested
write size to gracefully handle this case.

Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur@nxp.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
drivers/mtd/spi-nor/spi-nor.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git