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author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2017-06-07 20:52:11 +0900 |
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committer | Boris Brezillon <boris.brezillon@free-electrons.com> | 2017-06-10 13:40:10 +0200 |
commit | a03c60178c181767ecfb26fb311a88742d228118 (patch) | |
tree | 1111a80b5cbe430ad8dbe34764c64b9a39c0c05e /Documentation/devicetree/bindings/mtd | |
parent | 2c8f8afa7f92acb07641bf95b940d384ed1d0294 (diff) |
mtd: nand: add a shorthand to generate nand_ecc_caps structure
struct nand_ecc_caps was designed as flexible as possible to support
multiple stepsizes (like sunxi_nand.c).
So, we need to write multiple arrays even for the simplest case.
I guess many controllers support a single stepsize, so here is a
shorthand macro for the case.
It allows to describe like ...
NAND_ECC_CAPS_SINGLE(denali_pci_ecc_caps, denali_calc_ecc_bytes, 512, 8, 15);
... instead of
static const int denali_pci_ecc_strengths[] = {8, 15};
static const struct nand_ecc_step_info denali_pci_ecc_stepinfo = {
.stepsize = 512,
.strengths = denali_pci_ecc_strengths,
.nstrengths = ARRAY_SIZE(denali_pci_ecc_strengths),
};
static const struct nand_ecc_caps denali_pci_ecc_caps = {
.stepinfos = &denali_pci_ecc_stepinfo,
.nstepinfos = 1,
.calc_ecc_bytes = denali_calc_ecc_bytes,
};
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Diffstat (limited to 'Documentation/devicetree/bindings/mtd')
0 files changed, 0 insertions, 0 deletions