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mtd: rawnand: Deprecate the dummy_controller field

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We try to force NAND controller drivers to properly separate the NAND
controller object from the NAND chip one, so let's deprecate the dummy
controller object embedded in nand_chip to encourage them to create
their own instance.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
This commit is contained in:
Boris Brezillon
2018-11-20 10:02:39 +01:00
committed by Miquel Raynal
parent 419e5b84a4
commit 7b6a9b28ec
14 changed files with 17 additions and 17 deletions
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6
include/linux/mtd/rawnand.h
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@@ -941,6 +941,8 @@ static inline void nand_controller_init(struct nand_controller *nfc)
* @get_features: get the NAND chip features
* @chip_delay: chip dependent delay for transferring data from array to read
* regs (tR).
* @dummy_controller: dummy controller implementation for drivers that can
* only control a single chip
*
* If you look at this structure you're already wrong. These fields/hooks are
* all deprecated.
@@ -966,6 +968,7 @@ struct nand_legacy {
int (*get_features)(struct nand_chip *chip, int feature_addr,
u8 *subfeature_para);
int chip_delay;
struct nand_controller dummy_controller;
};
/**
@@ -980,8 +983,6 @@ struct nand_legacy {
* setting the read-retry mode. Mostly needed for MLC NAND.
* @ecc: [BOARDSPECIFIC] ECC control structure
* @buf_align: minimum buffer alignment required by a platform
* @dummy_controller: dummy controller implementation for drivers that can
* only control a single chip
* @state: [INTERN] the current state of the NAND device
* @oob_poi: "poison value buffer," used for laying out OOB data
* before writing
@@ -1094,7 +1095,6 @@ struct nand_chip {
struct nand_ecc_ctrl ecc;
unsigned long buf_align;
struct nand_controller dummy_controller;
uint8_t *bbt;
struct nand_bbt_descr *bbt_td;