Message ID | 20190629012248.12447-1-paul@crapouillou.net |
---|---|
State | Accepted |
Headers | show |
Series | mtd: rawnand: ingenic: Fix ingenic_ecc dependency | expand |
Hi Paul, One question below. Paul Cercueil <paul@crapouillou.net> wrote on Sat, 29 Jun 2019 03:22:48 +0200: > If MTD_NAND_JZ4780 is y and MTD_NAND_JZ4780_BCH is m, > which select CONFIG_MTD_NAND_INGENIC_ECC to m, building fails: > > drivers/mtd/nand/raw/ingenic/ingenic_nand.o: In function `ingenic_nand_remove': > ingenic_nand.c:(.text+0x177): undefined reference to `ingenic_ecc_release' > drivers/mtd/nand/raw/ingenic/ingenic_nand.o: In function `ingenic_nand_ecc_correct': > ingenic_nand.c:(.text+0x2ee): undefined reference to `ingenic_ecc_correct' > > To fix that, the ingenic_nand and ingenic_ecc modules have been fused > into one single module. > - The ingenic_ecc.c code is now compiled in only if > $(CONFIG_MTD_NAND_INGENIC_ECC) is set. This is now a boolean instead > of tristate. > - To avoid changing the module name, the ingenic_nand.c file is moved to > ingenic_nand_drv.c. Then the module name is still ingenic_nand. > - Since ingenic_ecc.c is no more a module, the module-specific macros > have been dropped, and the functions are no more exported for use by > the ingenic_nand driver. I am fine with this approach. > > Fixes: 15de8c6efd0e ("mtd: rawnand: ingenic: Separate top-level and SoC specific code") > Signed-off-by: Paul Cercueil <paul@crapouillou.net> > Reported-by: Arnd Bergmann <arnd@arndb.de> > Reported-by: Hulk Robot <hulkci@huawei.com> > Cc: YueHaibing <yuehaibing@huawei.com> > Cc: stable@vger.kernel.org > --- > drivers/mtd/nand/raw/ingenic/Kconfig | 2 +- > drivers/mtd/nand/raw/ingenic/Makefile | 4 +++- > drivers/mtd/nand/raw/ingenic/ingenic_ecc.c | 9 --------- > .../raw/ingenic/{ingenic_nand.c => ingenic_nand_drv.c} | 0 > 4 files changed, 4 insertions(+), 11 deletions(-) > rename drivers/mtd/nand/raw/ingenic/{ingenic_nand.c => ingenic_nand_drv.c} (100%) > > diff --git a/drivers/mtd/nand/raw/ingenic/Kconfig b/drivers/mtd/nand/raw/ingenic/Kconfig > index 19a96ce515c1..66b7cffdb0c2 100644 > --- a/drivers/mtd/nand/raw/ingenic/Kconfig > +++ b/drivers/mtd/nand/raw/ingenic/Kconfig > @@ -16,7 +16,7 @@ config MTD_NAND_JZ4780 > if MTD_NAND_JZ4780 > > config MTD_NAND_INGENIC_ECC > - tristate > + bool > > config MTD_NAND_JZ4740_ECC > tristate "Hardware BCH support for JZ4740 SoC" > diff --git a/drivers/mtd/nand/raw/ingenic/Makefile b/drivers/mtd/nand/raw/ingenic/Makefile > index 1ac4f455baea..b63d36889263 100644 > --- a/drivers/mtd/nand/raw/ingenic/Makefile > +++ b/drivers/mtd/nand/raw/ingenic/Makefile > @@ -2,7 +2,9 @@ > obj-$(CONFIG_MTD_NAND_JZ4740) += jz4740_nand.o > obj-$(CONFIG_MTD_NAND_JZ4780) += ingenic_nand.o > > -obj-$(CONFIG_MTD_NAND_INGENIC_ECC) += ingenic_ecc.o > +ingenic_nand-y += ingenic_nand_drv.o > +ingenic_nand-$(CONFIG_MTD_NAND_INGENIC_ECC) += ingenic_ecc.o > + > obj-$(CONFIG_MTD_NAND_JZ4740_ECC) += jz4740_ecc.o > obj-$(CONFIG_MTD_NAND_JZ4725B_BCH) += jz4725b_bch.o > obj-$(CONFIG_MTD_NAND_JZ4780_BCH) += jz4780_bch.o > diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c > index d3e085c5685a..c954189606f6 100644 > --- a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c > +++ b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c > @@ -30,7 +30,6 @@ int ingenic_ecc_calculate(struct ingenic_ecc *ecc, > { > return ecc->ops->calculate(ecc, params, buf, ecc_code); > } > -EXPORT_SYMBOL(ingenic_ecc_calculate); > > /** > * ingenic_ecc_correct() - detect and correct bit errors > @@ -51,7 +50,6 @@ int ingenic_ecc_correct(struct ingenic_ecc *ecc, > { > return ecc->ops->correct(ecc, params, buf, ecc_code); > } > -EXPORT_SYMBOL(ingenic_ecc_correct); > > /** > * ingenic_ecc_get() - get the ECC controller device > @@ -111,7 +109,6 @@ struct ingenic_ecc *of_ingenic_ecc_get(struct device_node *of_node) > } > return ecc; > } > -EXPORT_SYMBOL(of_ingenic_ecc_get); > > /** > * ingenic_ecc_release() - release the ECC controller device > @@ -122,7 +119,6 @@ void ingenic_ecc_release(struct ingenic_ecc *ecc) > clk_disable_unprepare(ecc->clk); > put_device(ecc->dev); > } > -EXPORT_SYMBOL(ingenic_ecc_release); > > int ingenic_ecc_probe(struct platform_device *pdev) > { > @@ -159,8 +155,3 @@ int ingenic_ecc_probe(struct platform_device *pdev) > return 0; > } > EXPORT_SYMBOL(ingenic_ecc_probe); Any reason to keep this one? Thanks, Miquèl
Le lun. 1 juil. 2019 à 14:28, Miquel Raynal <miquel.raynal@bootlin.com> a écrit : > Hi Paul, > > One question below. > > Paul Cercueil <paul@crapouillou.net> wrote on Sat, 29 Jun 2019 > 03:22:48 > +0200: > >> If MTD_NAND_JZ4780 is y and MTD_NAND_JZ4780_BCH is m, >> which select CONFIG_MTD_NAND_INGENIC_ECC to m, building fails: >> >> drivers/mtd/nand/raw/ingenic/ingenic_nand.o: In function >> `ingenic_nand_remove': >> ingenic_nand.c:(.text+0x177): undefined reference to >> `ingenic_ecc_release' >> drivers/mtd/nand/raw/ingenic/ingenic_nand.o: In function >> `ingenic_nand_ecc_correct': >> ingenic_nand.c:(.text+0x2ee): undefined reference to >> `ingenic_ecc_correct' >> >> To fix that, the ingenic_nand and ingenic_ecc modules have been >> fused >> into one single module. >> - The ingenic_ecc.c code is now compiled in only if >> $(CONFIG_MTD_NAND_INGENIC_ECC) is set. This is now a boolean >> instead >> of tristate. >> - To avoid changing the module name, the ingenic_nand.c file is >> moved to >> ingenic_nand_drv.c. Then the module name is still ingenic_nand. >> - Since ingenic_ecc.c is no more a module, the module-specific >> macros >> have been dropped, and the functions are no more exported for use >> by >> the ingenic_nand driver. > > I am fine with this approach. > >> >> Fixes: 15de8c6efd0e ("mtd: rawnand: ingenic: Separate top-level and >> SoC specific code") >> Signed-off-by: Paul Cercueil <paul@crapouillou.net> >> Reported-by: Arnd Bergmann <arnd@arndb.de> >> Reported-by: Hulk Robot <hulkci@huawei.com> >> Cc: YueHaibing <yuehaibing@huawei.com> >> Cc: stable@vger.kernel.org >> --- >> drivers/mtd/nand/raw/ingenic/Kconfig | 2 +- >> drivers/mtd/nand/raw/ingenic/Makefile | 4 +++- >> drivers/mtd/nand/raw/ingenic/ingenic_ecc.c | 9 >> --------- >> .../raw/ingenic/{ingenic_nand.c => ingenic_nand_drv.c} | 0 >> 4 files changed, 4 insertions(+), 11 deletions(-) >> rename drivers/mtd/nand/raw/ingenic/{ingenic_nand.c => >> ingenic_nand_drv.c} (100%) >> >> diff --git a/drivers/mtd/nand/raw/ingenic/Kconfig >> b/drivers/mtd/nand/raw/ingenic/Kconfig >> index 19a96ce515c1..66b7cffdb0c2 100644 >> --- a/drivers/mtd/nand/raw/ingenic/Kconfig >> +++ b/drivers/mtd/nand/raw/ingenic/Kconfig >> @@ -16,7 +16,7 @@ config MTD_NAND_JZ4780 >> if MTD_NAND_JZ4780 >> >> config MTD_NAND_INGENIC_ECC >> - tristate >> + bool >> >> config MTD_NAND_JZ4740_ECC >> tristate "Hardware BCH support for JZ4740 SoC" >> diff --git a/drivers/mtd/nand/raw/ingenic/Makefile >> b/drivers/mtd/nand/raw/ingenic/Makefile >> index 1ac4f455baea..b63d36889263 100644 >> --- a/drivers/mtd/nand/raw/ingenic/Makefile >> +++ b/drivers/mtd/nand/raw/ingenic/Makefile >> @@ -2,7 +2,9 @@ >> obj-$(CONFIG_MTD_NAND_JZ4740) += jz4740_nand.o >> obj-$(CONFIG_MTD_NAND_JZ4780) += ingenic_nand.o >> >> -obj-$(CONFIG_MTD_NAND_INGENIC_ECC) += ingenic_ecc.o >> +ingenic_nand-y += ingenic_nand_drv.o >> +ingenic_nand-$(CONFIG_MTD_NAND_INGENIC_ECC) += ingenic_ecc.o >> + >> obj-$(CONFIG_MTD_NAND_JZ4740_ECC) += jz4740_ecc.o >> obj-$(CONFIG_MTD_NAND_JZ4725B_BCH) += jz4725b_bch.o >> obj-$(CONFIG_MTD_NAND_JZ4780_BCH) += jz4780_bch.o >> diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c >> b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c >> index d3e085c5685a..c954189606f6 100644 >> --- a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c >> +++ b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c >> @@ -30,7 +30,6 @@ int ingenic_ecc_calculate(struct ingenic_ecc *ecc, >> { >> return ecc->ops->calculate(ecc, params, buf, ecc_code); >> } >> -EXPORT_SYMBOL(ingenic_ecc_calculate); >> >> /** >> * ingenic_ecc_correct() - detect and correct bit errors >> @@ -51,7 +50,6 @@ int ingenic_ecc_correct(struct ingenic_ecc *ecc, >> { >> return ecc->ops->correct(ecc, params, buf, ecc_code); >> } >> -EXPORT_SYMBOL(ingenic_ecc_correct); >> >> /** >> * ingenic_ecc_get() - get the ECC controller device >> @@ -111,7 +109,6 @@ struct ingenic_ecc *of_ingenic_ecc_get(struct >> device_node *of_node) >> } >> return ecc; >> } >> -EXPORT_SYMBOL(of_ingenic_ecc_get); >> >> /** >> * ingenic_ecc_release() - release the ECC controller device >> @@ -122,7 +119,6 @@ void ingenic_ecc_release(struct ingenic_ecc >> *ecc) >> clk_disable_unprepare(ecc->clk); >> put_device(ecc->dev); >> } >> -EXPORT_SYMBOL(ingenic_ecc_release); >> >> int ingenic_ecc_probe(struct platform_device *pdev) >> { >> @@ -159,8 +155,3 @@ int ingenic_ecc_probe(struct platform_device >> *pdev) >> return 0; >> } >> EXPORT_SYMBOL(ingenic_ecc_probe); > > Any reason to keep this one? This one is called from the three ECC drivers, which can be modules, so it still needs to be exported. -Paul
On Sat, 2019-06-29 at 01:22:48 UTC, Paul Cercueil wrote: > If MTD_NAND_JZ4780 is y and MTD_NAND_JZ4780_BCH is m, > which select CONFIG_MTD_NAND_INGENIC_ECC to m, building fails: > > drivers/mtd/nand/raw/ingenic/ingenic_nand.o: In function `ingenic_nand_remove': > ingenic_nand.c:(.text+0x177): undefined reference to `ingenic_ecc_release' > drivers/mtd/nand/raw/ingenic/ingenic_nand.o: In function `ingenic_nand_ecc_correct': > ingenic_nand.c:(.text+0x2ee): undefined reference to `ingenic_ecc_correct' > > To fix that, the ingenic_nand and ingenic_ecc modules have been fused > into one single module. > - The ingenic_ecc.c code is now compiled in only if > $(CONFIG_MTD_NAND_INGENIC_ECC) is set. This is now a boolean instead > of tristate. > - To avoid changing the module name, the ingenic_nand.c file is moved to > ingenic_nand_drv.c. Then the module name is still ingenic_nand. > - Since ingenic_ecc.c is no more a module, the module-specific macros > have been dropped, and the functions are no more exported for use by > the ingenic_nand driver. > > Fixes: 15de8c6efd0e ("mtd: rawnand: ingenic: Separate top-level and SoC specific code") > Signed-off-by: Paul Cercueil <paul@crapouillou.net> > Reported-by: Arnd Bergmann <arnd@arndb.de> > Reported-by: Hulk Robot <hulkci@huawei.com> > Cc: YueHaibing <yuehaibing@huawei.com> > Cc: stable@vger.kernel.org Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/fixes, thanks. Miquel
diff --git a/drivers/mtd/nand/raw/ingenic/Kconfig b/drivers/mtd/nand/raw/ingenic/Kconfig index 19a96ce515c1..66b7cffdb0c2 100644 --- a/drivers/mtd/nand/raw/ingenic/Kconfig +++ b/drivers/mtd/nand/raw/ingenic/Kconfig @@ -16,7 +16,7 @@ config MTD_NAND_JZ4780 if MTD_NAND_JZ4780 config MTD_NAND_INGENIC_ECC - tristate + bool config MTD_NAND_JZ4740_ECC tristate "Hardware BCH support for JZ4740 SoC" diff --git a/drivers/mtd/nand/raw/ingenic/Makefile b/drivers/mtd/nand/raw/ingenic/Makefile index 1ac4f455baea..b63d36889263 100644 --- a/drivers/mtd/nand/raw/ingenic/Makefile +++ b/drivers/mtd/nand/raw/ingenic/Makefile @@ -2,7 +2,9 @@ obj-$(CONFIG_MTD_NAND_JZ4740) += jz4740_nand.o obj-$(CONFIG_MTD_NAND_JZ4780) += ingenic_nand.o -obj-$(CONFIG_MTD_NAND_INGENIC_ECC) += ingenic_ecc.o +ingenic_nand-y += ingenic_nand_drv.o +ingenic_nand-$(CONFIG_MTD_NAND_INGENIC_ECC) += ingenic_ecc.o + obj-$(CONFIG_MTD_NAND_JZ4740_ECC) += jz4740_ecc.o obj-$(CONFIG_MTD_NAND_JZ4725B_BCH) += jz4725b_bch.o obj-$(CONFIG_MTD_NAND_JZ4780_BCH) += jz4780_bch.o diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c index d3e085c5685a..c954189606f6 100644 --- a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c +++ b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c @@ -30,7 +30,6 @@ int ingenic_ecc_calculate(struct ingenic_ecc *ecc, { return ecc->ops->calculate(ecc, params, buf, ecc_code); } -EXPORT_SYMBOL(ingenic_ecc_calculate); /** * ingenic_ecc_correct() - detect and correct bit errors @@ -51,7 +50,6 @@ int ingenic_ecc_correct(struct ingenic_ecc *ecc, { return ecc->ops->correct(ecc, params, buf, ecc_code); } -EXPORT_SYMBOL(ingenic_ecc_correct); /** * ingenic_ecc_get() - get the ECC controller device @@ -111,7 +109,6 @@ struct ingenic_ecc *of_ingenic_ecc_get(struct device_node *of_node) } return ecc; } -EXPORT_SYMBOL(of_ingenic_ecc_get); /** * ingenic_ecc_release() - release the ECC controller device @@ -122,7 +119,6 @@ void ingenic_ecc_release(struct ingenic_ecc *ecc) clk_disable_unprepare(ecc->clk); put_device(ecc->dev); } -EXPORT_SYMBOL(ingenic_ecc_release); int ingenic_ecc_probe(struct platform_device *pdev) { @@ -159,8 +155,3 @@ int ingenic_ecc_probe(struct platform_device *pdev) return 0; } EXPORT_SYMBOL(ingenic_ecc_probe); - -MODULE_AUTHOR("Alex Smith <alex@alex-smith.me.uk>"); -MODULE_AUTHOR("Harvey Hunt <harveyhuntnexus@gmail.com>"); -MODULE_DESCRIPTION("Ingenic ECC common driver"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_nand.c b/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c similarity index 100% rename from drivers/mtd/nand/raw/ingenic/ingenic_nand.c rename to drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c
If MTD_NAND_JZ4780 is y and MTD_NAND_JZ4780_BCH is m, which select CONFIG_MTD_NAND_INGENIC_ECC to m, building fails: drivers/mtd/nand/raw/ingenic/ingenic_nand.o: In function `ingenic_nand_remove': ingenic_nand.c:(.text+0x177): undefined reference to `ingenic_ecc_release' drivers/mtd/nand/raw/ingenic/ingenic_nand.o: In function `ingenic_nand_ecc_correct': ingenic_nand.c:(.text+0x2ee): undefined reference to `ingenic_ecc_correct' To fix that, the ingenic_nand and ingenic_ecc modules have been fused into one single module. - The ingenic_ecc.c code is now compiled in only if $(CONFIG_MTD_NAND_INGENIC_ECC) is set. This is now a boolean instead of tristate. - To avoid changing the module name, the ingenic_nand.c file is moved to ingenic_nand_drv.c. Then the module name is still ingenic_nand. - Since ingenic_ecc.c is no more a module, the module-specific macros have been dropped, and the functions are no more exported for use by the ingenic_nand driver. Fixes: 15de8c6efd0e ("mtd: rawnand: ingenic: Separate top-level and SoC specific code") Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reported-by: Arnd Bergmann <arnd@arndb.de> Reported-by: Hulk Robot <hulkci@huawei.com> Cc: YueHaibing <yuehaibing@huawei.com> Cc: stable@vger.kernel.org --- drivers/mtd/nand/raw/ingenic/Kconfig | 2 +- drivers/mtd/nand/raw/ingenic/Makefile | 4 +++- drivers/mtd/nand/raw/ingenic/ingenic_ecc.c | 9 --------- .../raw/ingenic/{ingenic_nand.c => ingenic_nand_drv.c} | 0 4 files changed, 4 insertions(+), 11 deletions(-) rename drivers/mtd/nand/raw/ingenic/{ingenic_nand.c => ingenic_nand_drv.c} (100%)