diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-06 18:03:30 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-06 18:03:30 -0800 |
commit | d3d0b024348c040f0d6851e2e59fc961677d5169 (patch) | |
tree | ab018edaa027ad069c54beb9cb3d0c5b5efc2198 | |
parent | 6ed23fd6c08b3ffa17c1f841098d2fa2ab3a59dd (diff) | |
parent | 9d5c627323dcf0983d699d26dd486272fc98bef2 (diff) |
Merge branch 'amba-modalias' of git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
* 'amba-modalias' of git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm:
sound: aaci: Enable module alias autogeneration for AMBA drivers
watchdog: sp805: Enable module alias autogeneration for AMBA drivers
fbdev: amba: Enable module alias autogeneration for AMBA drivers
serial: pl011: Enable module alias autogeneration for AMBA drivers
serial: pl010: Enable module alias autogeneration for AMBA drivers
spi: pl022: Enable module alias autogeneration for AMBA drivers
rtc: pl031: Enable module alias autogeneration for AMBA drivers
rtc: pl030: Enable module alias autogeneration for AMBA drivers
mmc: mmci: Enable module alias autogeneration for AMBA drivers
input: ambakmi: Enable module alias autogeneration for AMBA drivers
gpio: pl061: Enable module alias autogeneration for AMBA drivers
dmaengine: pl330: Enable module alias autogeneration for AMBA drivers
dmaengine: pl08x: Enable module alias autogeneration for AMBA drivers
hwrng: nomadik: Enable module alias autogeneration for AMBA drivers
ARM: amba: Auto-generate AMBA driver module aliases during modpost
ARM: amba: Move definition of struct amba_id to mod_devicetable.h
-rw-r--r-- | drivers/amba/bus.c | 4 | ||||
-rw-r--r-- | drivers/char/hw_random/nomadik-rng.c | 2 | ||||
-rw-r--r-- | drivers/dma/amba-pl08x.c | 2 | ||||
-rw-r--r-- | drivers/dma/pl330.c | 2 | ||||
-rw-r--r-- | drivers/gpio/gpio-pl061.c | 2 | ||||
-rw-r--r-- | drivers/input/serio/ambakmi.c | 2 | ||||
-rw-r--r-- | drivers/mmc/host/mmci.c | 2 | ||||
-rw-r--r-- | drivers/rtc/rtc-pl030.c | 2 | ||||
-rw-r--r-- | drivers/rtc/rtc-pl031.c | 2 | ||||
-rw-r--r-- | drivers/spi/spi-pl022.c | 2 | ||||
-rw-r--r-- | drivers/tty/serial/amba-pl010.c | 2 | ||||
-rw-r--r-- | drivers/tty/serial/amba-pl011.c | 2 | ||||
-rw-r--r-- | drivers/video/amba-clcd.c | 2 | ||||
-rw-r--r-- | drivers/watchdog/sp805_wdt.c | 2 | ||||
-rw-r--r-- | include/linux/amba/bus.h | 7 | ||||
-rw-r--r-- | include/linux/mod_devicetable.h | 18 | ||||
-rw-r--r-- | scripts/mod/file2alias.c | 72 | ||||
-rw-r--r-- | sound/arm/aaci.c | 2 |
18 files changed, 123 insertions, 6 deletions
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index bd230e80113..936c98cb247 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -52,6 +52,10 @@ static int amba_uevent(struct device *dev, struct kobj_uevent_env *env) int retval = 0; retval = add_uevent_var(env, "AMBA_ID=%08x", pcdev->periphid); + if (retval) + return retval; + + retval = add_uevent_var(env, "MODALIAS=amba:d%08X", pcdev->periphid); return retval; } #else diff --git a/drivers/char/hw_random/nomadik-rng.c b/drivers/char/hw_random/nomadik-rng.c index 52e08ca3ccd..3d3c1e6703b 100644 --- a/drivers/char/hw_random/nomadik-rng.c +++ b/drivers/char/hw_random/nomadik-rng.c @@ -95,6 +95,8 @@ static struct amba_id nmk_rng_ids[] = { {0, 0}, }; +MODULE_DEVICE_TABLE(amba, nmk_rng_ids); + static struct amba_driver nmk_rng_driver = { .drv = { .owner = THIS_MODULE, diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index b7cbd1ab1db..0698695e8bf 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -2054,6 +2054,8 @@ static struct amba_id pl08x_ids[] = { { 0, 0 }, }; +MODULE_DEVICE_TABLE(amba, pl08x_ids); + static struct amba_driver pl08x_amba_driver = { .drv.name = DRIVER_NAME, .id_table = pl08x_ids, diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 571041477ab..2d8d1b041d9 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -990,6 +990,8 @@ static struct amba_id pl330_ids[] = { { 0, 0 }, }; +MODULE_DEVICE_TABLE(amba, pl330_ids); + #ifdef CONFIG_PM_RUNTIME static int pl330_runtime_suspend(struct device *dev) { diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c index 4102f63230f..8f79c03049f 100644 --- a/drivers/gpio/gpio-pl061.c +++ b/drivers/gpio/gpio-pl061.c @@ -346,6 +346,8 @@ static struct amba_id pl061_ids[] = { { 0, 0 }, }; +MODULE_DEVICE_TABLE(amba, pl061_ids); + static struct amba_driver pl061_gpio_driver = { .drv = { .name = "pl061_gpio", diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c index 12abc50508e..8407d5b0ced 100644 --- a/drivers/input/serio/ambakmi.c +++ b/drivers/input/serio/ambakmi.c @@ -195,6 +195,8 @@ static struct amba_id amba_kmi_idtable[] = { { 0, 0 } }; +MODULE_DEVICE_TABLE(amba, amba_kmi_idtable); + static struct amba_driver ambakmi_driver = { .drv = { .name = "kmi-pl050", diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 0726e59fd41..fa8dd2fda4b 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -1502,6 +1502,8 @@ static struct amba_id mmci_ids[] = { { 0, 0 }, }; +MODULE_DEVICE_TABLE(amba, mmci_ids); + static struct amba_driver mmci_driver = { .drv = { .name = DRIVER_NAME, diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c index 1d28d4451da..02111fee077 100644 --- a/drivers/rtc/rtc-pl030.c +++ b/drivers/rtc/rtc-pl030.c @@ -174,6 +174,8 @@ static struct amba_id pl030_ids[] = { { 0, 0 }, }; +MODULE_DEVICE_TABLE(amba, pl030_ids); + static struct amba_driver pl030_driver = { .drv = { .name = "rtc-pl030", diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c index ff1b84bd9bb..a952c8de1dd 100644 --- a/drivers/rtc/rtc-pl031.c +++ b/drivers/rtc/rtc-pl031.c @@ -420,6 +420,8 @@ static struct amba_id pl031_ids[] = { {0, 0}, }; +MODULE_DEVICE_TABLE(amba, pl031_ids); + static struct amba_driver pl031_driver = { .drv = { .name = "rtc-pl031", diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index 5559b229919..7026af19568 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -2432,6 +2432,8 @@ static struct amba_id pl022_ids[] = { { 0, 0 }, }; +MODULE_DEVICE_TABLE(amba, pl022_ids); + static struct amba_driver pl022_driver = { .drv = { .name = "ssp-pl022", diff --git a/drivers/tty/serial/amba-pl010.c b/drivers/tty/serial/amba-pl010.c index efdf92c3a35..0d91a540bf1 100644 --- a/drivers/tty/serial/amba-pl010.c +++ b/drivers/tty/serial/amba-pl010.c @@ -795,6 +795,8 @@ static struct amba_id pl010_ids[] = { { 0, 0 }, }; +MODULE_DEVICE_TABLE(amba, pl010_ids); + static struct amba_driver pl010_driver = { .drv = { .name = "uart-pl010", diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 00233af1acc..6958594f2fc 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -1994,6 +1994,8 @@ static struct amba_id pl011_ids[] = { { 0, 0 }, }; +MODULE_DEVICE_TABLE(amba, pl011_ids); + static struct amba_driver pl011_driver = { .drv = { .name = "uart-pl011", diff --git a/drivers/video/amba-clcd.c b/drivers/video/amba-clcd.c index 2cda6ba0939..0a2cce7285b 100644 --- a/drivers/video/amba-clcd.c +++ b/drivers/video/amba-clcd.c @@ -621,6 +621,8 @@ static struct amba_id clcdfb_id_table[] = { { 0, 0 }, }; +MODULE_DEVICE_TABLE(amba, clcdfb_id_table); + static struct amba_driver clcd_driver = { .drv = { .name = "clcd-pl11x", diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c index bfaf9bb1ee0..eef1524ae52 100644 --- a/drivers/watchdog/sp805_wdt.c +++ b/drivers/watchdog/sp805_wdt.c @@ -359,6 +359,8 @@ static struct amba_id sp805_wdt_ids[] = { { 0, 0 }, }; +MODULE_DEVICE_TABLE(amba, sp805_wdt_ids); + static struct amba_driver sp805_wdt_driver = { .drv = { .name = MODULE_NAME, diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h index fcbbe71a3cc..724c69c40bb 100644 --- a/include/linux/amba/bus.h +++ b/include/linux/amba/bus.h @@ -16,6 +16,7 @@ #include <linux/clk.h> #include <linux/device.h> +#include <linux/mod_devicetable.h> #include <linux/err.h> #include <linux/resource.h> #include <linux/regulator/consumer.h> @@ -35,12 +36,6 @@ struct amba_device { unsigned int irq[AMBA_NR_IRQS]; }; -struct amba_id { - unsigned int id; - unsigned int mask; - void *data; -}; - struct amba_driver { struct device_driver drv; int (*probe)(struct amba_device *, const struct amba_id *); diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 468819cdde8..83ac0713ed0 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -542,4 +542,22 @@ struct isapnp_device_id { kernel_ulong_t driver_data; /* data private to the driver */ }; +/** + * struct amba_id - identifies a device on an AMBA bus + * @id: The significant bits if the hardware device ID + * @mask: Bitmask specifying which bits of the id field are significant when + * matching. A driver binds to a device when ((hardware device ID) & mask) + * == id. + * @data: Private data used by the driver. + */ +struct amba_id { + unsigned int id; + unsigned int mask; +#ifndef __KERNEL__ + kernel_ulong_t data; +#else + void *data; +#endif +}; + #endif /* LINUX_MOD_DEVICETABLE_H */ diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index f936d1fa969..363ab4666b1 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -880,6 +880,74 @@ static int do_isapnp_entry(const char *filename, return 1; } +/* + * Append a match expression for a single masked hex digit. + * outp points to a pointer to the character at which to append. + * *outp is updated on return to point just after the appended text, + * to facilitate further appending. + */ +static void append_nibble_mask(char **outp, + unsigned int nibble, unsigned int mask) +{ + char *p = *outp; + unsigned int i; + + switch (mask) { + case 0: + *p++ = '?'; + break; + + case 0xf: + p += sprintf(p, "%X", nibble); + break; + + default: + /* + * Dumbly emit a match pattern for all possible matching + * digits. This could be improved in some cases using ranges, + * but it has the advantage of being trivially correct, and is + * often optimal. + */ + *p++ = '['; + for (i = 0; i < 0x10; i++) + if ((i & mask) == nibble) + p += sprintf(p, "%X", i); + *p++ = ']'; + } + + /* Ensure that the string remains NUL-terminated: */ + *p = '\0'; + + /* Advance the caller's end-of-string pointer: */ + *outp = p; +} + +/* + * looks like: "amba:dN" + * + * N is exactly 8 digits, where each is an upper-case hex digit, or + * a ? or [] pattern matching exactly one digit. + */ +static int do_amba_entry(const char *filename, + struct amba_id *id, char *alias) +{ + unsigned int digit; + char *p = alias; + + if ((id->id & id->mask) != id->id) + fatal("%s: Masked-off bit(s) of AMBA device ID are non-zero: " + "id=0x%08X, mask=0x%08X. Please fix this driver.\n", + filename, id->id, id->mask); + + p += sprintf(alias, "amba:d"); + for (digit = 0; digit < 8; digit++) + append_nibble_mask(&p, + (id->id >> (4 * (7 - digit))) & 0xf, + (id->mask >> (4 * (7 - digit))) & 0xf); + + return 1; +} + /* Ignore any prefix, eg. some architectures prepend _ */ static inline int sym_is(const char *symbol, const char *name) { @@ -1047,6 +1115,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info, do_table(symval, sym->st_size, sizeof(struct isapnp_device_id), "isa", do_isapnp_entry, mod); + else if (sym_is(symname, "__mod_amba_device_table")) + do_table(symval, sym->st_size, + sizeof(struct amba_id), "amba", + do_amba_entry, mod); free(zeros); } diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c index e518d38b1c7..b37b702a3a6 100644 --- a/sound/arm/aaci.c +++ b/sound/arm/aaci.c @@ -1097,6 +1097,8 @@ static struct amba_id aaci_ids[] = { { 0, 0 }, }; +MODULE_DEVICE_TABLE(amba, aaci_ids); + static struct amba_driver aaci_driver = { .drv = { .name = DRIVER_NAME, |