Message ID | 20190824120027.14452-4-tudor.ambarus@microchip.com |
---|---|
State | Changes Requested |
Delegated to: | Ambarus Tudor |
Headers | show |
Series | mtd: spi-nor: move manuf out of the core - batch 1 | expand |
On Sat, 24 Aug 2019 12:00:41 +0000 <Tudor.Ambarus@microchip.com> wrote: > From: Tudor Ambarus <tudor.ambarus@microchip.com> > > The goal is to move the quad_enable manufacturer specific init in the > nor->manufacturer->fixups->default_init() > > The legacy quad_enable() implementation is spansion_quad_enable(), > select this method by default. > > Set specific manufacturer fixups->default_init() hooks to overwrite > the default quad_enable() implementation when needed. > > Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> > --- > drivers/mtd/spi-nor/spi-nor.c | 48 ++++++++++++++++++++++++++----------------- > 1 file changed, 29 insertions(+), 19 deletions(-) > > diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c > index 27951e5a01e2..c9514dfd7d6d 100644 > --- a/drivers/mtd/spi-nor/spi-nor.c > +++ b/drivers/mtd/spi-nor/spi-nor.c > @@ -4150,13 +4150,38 @@ static int spi_nor_parse_sfdp(struct spi_nor *nor, > return err; > } > > +static void macronix_set_default_init(struct spi_nor *nor) > +{ > + nor->params.quad_enable = macronix_quad_enable; Since it's now supposed to be the default QE implementation I'd recommend renaming the function into default_quad_enable() (this can be done in a separate patch). Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> > +} > + > +static void st_micron_set_default_init(struct spi_nor *nor) > +{ > + nor->params.quad_enable = NULL; > +} > + > /** > * spi_nor_manufacturer_init_params() - Initialize the flash's parameters and > - * settings based on ->default_init() hook. > + * settings based on MFR register and ->default_init() hook. > * @nor: pointer to a 'struct spi-nor'. > */ > static void spi_nor_manufacturer_init_params(struct spi_nor *nor) > { > + /* Init flash parameters based on MFR */ > + switch (JEDEC_MFR(nor->info)) { > + case SNOR_MFR_MACRONIX: > + macronix_set_default_init(nor); > + break; > + > + case SNOR_MFR_ST: > + case SNOR_MFR_MICRON: > + st_micron_set_default_init(nor); > + break; > + > + default: > + break; > + } > + > if (nor->info->fixups && nor->info->fixups->default_init) > nor->info->fixups->default_init(nor); > } > @@ -4168,6 +4193,9 @@ static int spi_nor_init_params(struct spi_nor *nor) > const struct flash_info *info = nor->info; > u8 i, erase_mask; > > + /* Initialize legacy flash parameters and settings. */ > + params->quad_enable = spansion_quad_enable; > + > /* Set SPI NOR sizes. */ > params->size = (u64)info->sector_size * info->n_sectors; > params->page_size = info->page_size; > @@ -4233,24 +4261,6 @@ static int spi_nor_init_params(struct spi_nor *nor) > SPINOR_OP_SE); > spi_nor_init_uniform_erase_map(map, erase_mask, params->size); > > - /* Select the procedure to set the Quad Enable bit. */ > - if (params->hwcaps.mask & (SNOR_HWCAPS_READ_QUAD | > - SNOR_HWCAPS_PP_QUAD)) { > - switch (JEDEC_MFR(info)) { > - case SNOR_MFR_MACRONIX: > - params->quad_enable = macronix_quad_enable; > - break; > - > - case SNOR_MFR_ST: > - case SNOR_MFR_MICRON: > - break; > - > - default: > - /* Kept only for backward compatibility purpose. */ > - params->quad_enable = spansion_quad_enable; > - break; > - } > - } > > spi_nor_manufacturer_init_params(nor); >
On 08/25/2019 02:47 PM, Boris Brezillon wrote: > External E-Mail > > > On Sat, 24 Aug 2019 12:00:41 +0000 > <Tudor.Ambarus@microchip.com> wrote: > >> From: Tudor Ambarus <tudor.ambarus@microchip.com> >> >> The goal is to move the quad_enable manufacturer specific init in the >> nor->manufacturer->fixups->default_init() >> >> The legacy quad_enable() implementation is spansion_quad_enable(), >> select this method by default. >> >> Set specific manufacturer fixups->default_init() hooks to overwrite >> the default quad_enable() implementation when needed. >> >> Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> >> --- >> drivers/mtd/spi-nor/spi-nor.c | 48 ++++++++++++++++++++++++++----------------- >> 1 file changed, 29 insertions(+), 19 deletions(-) >> >> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c >> index 27951e5a01e2..c9514dfd7d6d 100644 >> --- a/drivers/mtd/spi-nor/spi-nor.c >> +++ b/drivers/mtd/spi-nor/spi-nor.c >> @@ -4150,13 +4150,38 @@ static int spi_nor_parse_sfdp(struct spi_nor *nor, >> return err; >> } >> >> +static void macronix_set_default_init(struct spi_nor *nor) >> +{ >> + nor->params.quad_enable = macronix_quad_enable; > > Since it's now supposed to be the default QE implementation I'd > recommend renaming the function into default_quad_enable() (this can be > done in a separate patch). You are referring to spansion_quad_enable. Yes, you made a patch that stops prefixing generic functions with a manufacturer name, will follow. https://patchwork.ozlabs.org/patch/1009264/ > > Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> > >> +} >> + >> +static void st_micron_set_default_init(struct spi_nor *nor) >> +{ >> + nor->params.quad_enable = NULL; >> +} >> + >> /** >> * spi_nor_manufacturer_init_params() - Initialize the flash's parameters and >> - * settings based on ->default_init() hook. >> + * settings based on MFR register and ->default_init() hook. >> * @nor: pointer to a 'struct spi-nor'. >> */ >> static void spi_nor_manufacturer_init_params(struct spi_nor *nor) >> { >> + /* Init flash parameters based on MFR */ >> + switch (JEDEC_MFR(nor->info)) { >> + case SNOR_MFR_MACRONIX: >> + macronix_set_default_init(nor); >> + break; >> + >> + case SNOR_MFR_ST: >> + case SNOR_MFR_MICRON: >> + st_micron_set_default_init(nor); >> + break; >> + >> + default: >> + break; >> + } >> + >> if (nor->info->fixups && nor->info->fixups->default_init) >> nor->info->fixups->default_init(nor); >> } >> @@ -4168,6 +4193,9 @@ static int spi_nor_init_params(struct spi_nor *nor) >> const struct flash_info *info = nor->info; >> u8 i, erase_mask; >> >> + /* Initialize legacy flash parameters and settings. */ >> + params->quad_enable = spansion_quad_enable; >> + >> /* Set SPI NOR sizes. */ >> params->size = (u64)info->sector_size * info->n_sectors; >> params->page_size = info->page_size; >> @@ -4233,24 +4261,6 @@ static int spi_nor_init_params(struct spi_nor *nor) >> SPINOR_OP_SE); >> spi_nor_init_uniform_erase_map(map, erase_mask, params->size); >> >> - /* Select the procedure to set the Quad Enable bit. */ >> - if (params->hwcaps.mask & (SNOR_HWCAPS_READ_QUAD | >> - SNOR_HWCAPS_PP_QUAD)) { >> - switch (JEDEC_MFR(info)) { >> - case SNOR_MFR_MACRONIX: >> - params->quad_enable = macronix_quad_enable; >> - break; >> - >> - case SNOR_MFR_ST: >> - case SNOR_MFR_MICRON: >> - break; >> - >> - default: >> - /* Kept only for backward compatibility purpose. */ >> - params->quad_enable = spansion_quad_enable; >> - break; >> - } >> - } >> >> spi_nor_manufacturer_init_params(nor); >> > > >
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 27951e5a01e2..c9514dfd7d6d 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -4150,13 +4150,38 @@ static int spi_nor_parse_sfdp(struct spi_nor *nor, return err; } +static void macronix_set_default_init(struct spi_nor *nor) +{ + nor->params.quad_enable = macronix_quad_enable; +} + +static void st_micron_set_default_init(struct spi_nor *nor) +{ + nor->params.quad_enable = NULL; +} + /** * spi_nor_manufacturer_init_params() - Initialize the flash's parameters and - * settings based on ->default_init() hook. + * settings based on MFR register and ->default_init() hook. * @nor: pointer to a 'struct spi-nor'. */ static void spi_nor_manufacturer_init_params(struct spi_nor *nor) { + /* Init flash parameters based on MFR */ + switch (JEDEC_MFR(nor->info)) { + case SNOR_MFR_MACRONIX: + macronix_set_default_init(nor); + break; + + case SNOR_MFR_ST: + case SNOR_MFR_MICRON: + st_micron_set_default_init(nor); + break; + + default: + break; + } + if (nor->info->fixups && nor->info->fixups->default_init) nor->info->fixups->default_init(nor); } @@ -4168,6 +4193,9 @@ static int spi_nor_init_params(struct spi_nor *nor) const struct flash_info *info = nor->info; u8 i, erase_mask; + /* Initialize legacy flash parameters and settings. */ + params->quad_enable = spansion_quad_enable; + /* Set SPI NOR sizes. */ params->size = (u64)info->sector_size * info->n_sectors; params->page_size = info->page_size; @@ -4233,24 +4261,6 @@ static int spi_nor_init_params(struct spi_nor *nor) SPINOR_OP_SE); spi_nor_init_uniform_erase_map(map, erase_mask, params->size); - /* Select the procedure to set the Quad Enable bit. */ - if (params->hwcaps.mask & (SNOR_HWCAPS_READ_QUAD | - SNOR_HWCAPS_PP_QUAD)) { - switch (JEDEC_MFR(info)) { - case SNOR_MFR_MACRONIX: - params->quad_enable = macronix_quad_enable; - break; - - case SNOR_MFR_ST: - case SNOR_MFR_MICRON: - break; - - default: - /* Kept only for backward compatibility purpose. */ - params->quad_enable = spansion_quad_enable; - break; - } - } spi_nor_manufacturer_init_params(nor);