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| author | Patrick McHardy <kaber@trash.net> | 2010-04-20 18:02:01 +0400 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2010-04-20 18:02:01 +0400 |
| commit | 62910554656cdcd6b6f84a5154c4155aae4ca231 (patch) | |
| tree | dcf14004f6fd2ef7154362ff948bfeba0f3ea92d /drivers/acpi/ec.c | |
| parent | 22265a5c3c103cf8c50be62e6c90d045eb649e6d (diff) | |
| parent | ab9304717f7624c41927f442e6b6d418b2d8b3e4 (diff) | |
| download | linux-62910554656cdcd6b6f84a5154c4155aae4ca231.tar.xz | |
Merge branch 'master' of /repos/git/net-next-2.6
Conflicts:
Documentation/feature-removal-schedule.txt
net/ipv6/netfilter/ip6t_REJECT.c
net/netfilter/xt_limit.c
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'drivers/acpi/ec.c')
| -rw-r--r-- | drivers/acpi/ec.c | 36 |
1 files changed, 10 insertions, 26 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 1ac28c6a672e..f2234db85da0 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -39,6 +39,7 @@ #include <linux/interrupt.h> #include <linux/list.h> #include <linux/spinlock.h> +#include <linux/slab.h> #include <asm/io.h> #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> @@ -628,12 +629,12 @@ static u32 acpi_ec_gpe_handler(void *data) static acpi_status acpi_ec_space_handler(u32 function, acpi_physical_address address, - u32 bits, u64 *value, + u32 bits, u64 *value64, void *handler_context, void *region_context) { struct acpi_ec *ec = handler_context; - int result = 0, i; - u8 temp = 0; + int result = 0, i, bytes = bits / 8; + u8 *value = (u8 *)value64; if ((address > 0xFF) || !value || !handler_context) return AE_BAD_PARAMETER; @@ -641,32 +642,15 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address, if (function != ACPI_READ && function != ACPI_WRITE) return AE_BAD_PARAMETER; - if (bits != 8 && acpi_strict) - return AE_BAD_PARAMETER; - - if (EC_FLAGS_MSI) + if (EC_FLAGS_MSI || bits > 8) acpi_ec_burst_enable(ec); - if (function == ACPI_READ) { - result = acpi_ec_read(ec, address, &temp); - *value = temp; - } else { - temp = 0xff & (*value); - result = acpi_ec_write(ec, address, temp); - } - - for (i = 8; unlikely(bits - i > 0); i += 8) { - ++address; - if (function == ACPI_READ) { - result = acpi_ec_read(ec, address, &temp); - (*value) |= ((u64)temp) << i; - } else { - temp = 0xff & ((*value) >> i); - result = acpi_ec_write(ec, address, temp); - } - } + for (i = 0; i < bytes; ++i, ++address, ++value) + result = (function == ACPI_READ) ? + acpi_ec_read(ec, address, value) : + acpi_ec_write(ec, address, *value); - if (EC_FLAGS_MSI) + if (EC_FLAGS_MSI || bits > 8) acpi_ec_burst_disable(ec); switch (result) { |