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2019-02-05mtd: rawnand: Annotate implicit fall through in nand_command/nand_command_lpMathieu Malaterre1-1/+2
There is a plan to build the kernel with -Wimplicit-fallthrough and these places in the code produced warnings (W=1). This commit removes the following warnings: drivers/mtd/nand/raw/nand_legacy.c:332:6: warning: this statement may fall through [-Wimplicit-fallthrough=] drivers/mtd/nand/raw/nand_legacy.c:483:3: warning: this statement may fall through [-Wimplicit-fallthrough=] Signed-off-by: Mathieu Malaterre <malat@debian.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2018-12-07mtd: rawnand: Move ->setup_data_interface() to nand_controller_opsBoris Brezillon1-1/+1
->setup_data_interface() is a controller specific method and should thus be placed in nand_controller_ops. In order to make that work with controllers that support keeping pre-configured timings we need to add a new NAND_KEEP_TIMINGS flag to inform the core it should skip the timings selection step. Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> Tested-by: Janusz Krzysztofik <jmkrzyszt@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2018-12-07mtd: rawnand: Move the ->exec_op() method to nand_controller_opsBoris Brezillon1-2/+2
->exec_op() is a controller method and has nothing to do in the nand_chip struct. Let's move it to the nand_controller_ops struct and adjust the core and drivers accordingly. Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> Tested-by: Janusz Krzysztofik <jmkrzyszt@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2018-12-07mtd: rawnand: Deprecate the ->select_chip() hookBoris Brezillon1-4/+5
Now that the CS line to be selected is passed to ->exec_op() and stored in chip->cur_cs and after patching all drivers implementing ->exec_op() to stop implementing this method, we can deprecate it by moving it to the nand_legacy structure. Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> Tested-by: Janusz Krzysztofik <jmkrzyszt@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2018-12-07mtd: rawnand: legacy: Drop useless test in nand_legacy_set_defaults()Boris Brezillon1-1/+1
nand_legacy_set_defaults() returns directly if chip->exec_op != NULL, no need to test !chip->exec_op after that. Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> Tested-by: Janusz Krzysztofik <jmkrzyszt@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2018-12-07mtd: rawnand: Stop passing mtd_info objects to internal functionsBoris Brezillon1-11/+7
After having reworked the rawnand API to avoid passing mtd_info objects around, let's do the same for internal functions. Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> Tested-by: Janusz Krzysztofik <jmkrzyszt@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2018-10-03mtd: rawnand: Move legacy code to nand_legacy.cBoris Brezillon1-0/+642
Allows us to move a few hundred lines of deprecated code out of the core file which is quite big. Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>