u-boot.git/include/linux/bitops.h, branch v2020.07-rc4 Unnamed repository; edit this file 'description' to name the repository. common: Drop linux/bitops.h from common header 2020-05-19T01:19:23+00:00 Simon Glass sjg@chromium.org 2020-05-10T17:40:13+00:00 cd93d625fd751d55c729c78b10f82109d56a5f1d Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org> 
Move this uncommon header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
lib: Import few bitmap functions from Linux 2020-01-20T04:40:28+00:00 Vignesh Raghavendra vigneshr@ti.com 2019-12-09T04:55:31+00:00 016e6d6a4f9b2b29d9b7f65cbb44874182e277b8 Import few basic bitmap functions (bitmap_{weight,fill,set,clear,or}()) and their dependencies from Linux. These are required for upcoming DMA resource allocation support for TI's K3 SoCs. Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> 
Import few basic bitmap functions (bitmap_{weight,fill,set,clear,or}())
and their dependencies from Linux. These are required for upcoming DMA
resource allocation support for TI's K3 SoCs.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
bitops: Fix GENMASK definition for Sandbox 2019-02-07T10:03:21+00:00 Vignesh R vigneshr@ti.com 2019-02-05T05:59:11+00:00 e519c616061db4a388bb3ed765eab8c61a9571bc In arch/sandbox/include/asm/types.h we have Therefore for 32 bit Sandbox build BITS_PER_LONG turns out to be 32 as CONFIG_PHYS64 is not set This messes up the current logic of GENMASK macro due to mismatch b/w size of unsigned long (64 bit) and that of BITS_PER_LONG. Fix this by using CONFIG_SANDBOX_BITS_PER_LONG which is set to 64/32 based on the host machine on which its being compiled. Without this patch: GENMASK(14,0) => 0x7fffffffffff After this patch: GENMASK(14,0) => 0x7fff Signed-off-by: Vignesh R <vigneshr@ti.com> Reviewed-by: Simon Glass <sjg@chromium.org> 
In arch/sandbox/include/asm/types.h we have
Therefore for 32 bit Sandbox build BITS_PER_LONG turns out to be 32 as
CONFIG_PHYS64 is not set

This messes up the current logic of GENMASK macro due to mismatch b/w
size of unsigned long (64 bit) and that of BITS_PER_LONG.
Fix this by using CONFIG_SANDBOX_BITS_PER_LONG which is set to 64/32
based on the host machine on which its being compiled.

Without this patch:
GENMASK(14,0) => 0x7fffffffffff
After this patch:
GENMASK(14,0) => 0x7fff

Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
bitops: collect BIT macros to include/linux/bitops.h 2017-11-28T15:28:57+00:00 Masahiro Yamada yamada.masahiro@socionext.com 2017-11-21T17:38:11+00:00 ed3986ca30972c94f0076f88c948406ce030a05c Same macros are defined in various places. Collect them into include/linux/bitops.h like Linux. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> 
Same macros are defined in various places.  Collect them into
include/linux/bitops.h like Linux.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
bitops.h: Include bitsperlong.h as needed for GENMASK_ULL 2017-03-29T05:39:32+00:00 Stefan Roese sr@denx.de 2017-02-20T15:50:26+00:00 e1b27d27a64d3b007c877f48a1aa106d228db7fc The macro GENMASK_ULL needs the BITS_PER_LONG_LONG macro which is defined in the bitsperlong.h header. Lets include this header as the upcoming A7k/8k support in the Marvell mvpp2 ethernet driver uses this macro. Signed-off-by: Stefan Roese <sr@denx.de> Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Joe Hershberger <joe.hershberger@ni.com> 
The macro GENMASK_ULL needs the BITS_PER_LONG_LONG macro which is
defined in the bitsperlong.h header. Lets include this header as
the upcoming A7k/8k support in the Marvell mvpp2 ethernet driver
uses this macro.

Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
bitops: Add fls_long and __ffs64 2015-11-05T15:52:34+00:00 Fabio Estevam fabio.estevam@freescale.com 2015-11-05T14:43:38+00:00 de4d2e9e7ce0f9fda76f07bafafefa10f01a9605 Add fls_long and __ffs64 support to align with the kernel bitops implementation. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> 
Add fls_long and __ffs64 support to align with the kernel bitops
implementation.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
linux/bitops.h: GENMASK copy from linux 2015-10-21T13:14:07+00:00 Jagan Teki jteki@openedev.com 2015-10-21T11:16:51+00:00 89b5c81b75658b7ff66dea6c38a51dfecc9dd508 GENMASK is used to create a contiguous bitmask([hi:lo]). This patch is a copy from Linux, with below commit details "bitops: Fix shift overflow in GENMASK macros" (sha1: 00b4d9a14125f1e51874def2b9de6092e007412d) Cc: Tom Rini <trini@konsulko.com> Cc: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Jagan Teki <jteki@openedev.com> 
GENMASK is used to create a contiguous bitmask([hi:lo]).

This patch is a copy from Linux, with below commit details
"bitops: Fix shift overflow in GENMASK macros"
(sha1: 00b4d9a14125f1e51874def2b9de6092e007412d)

Cc: Tom Rini <trini@konsulko.com>
Cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
linux/bitops: Move BIT definitions at top 2015-10-21T13:13:55+00:00 Jagan Teki jteki@openedev.com 2015-10-21T12:00:34+00:00 673452876fe988048764e3c9fc1c42b9f51d3255 Since it's a copy from Linux, this patch moved all BIT definitions to top so-that it looks same as Linux file. Cc: Tom Rini <trini@konsulko.com> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> Signed-off-by: Jagan Teki <jteki@openedev.com> 
Since it's a copy from Linux, this patch moved all
BIT definitions to top so-that it looks same as Linux file.

Cc: Tom Rini <trini@konsulko.com>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Signed-off-by: Jagan Teki <jteki@openedev.com>
bitops: introduce BIT() definition 2015-09-11T21:15:32+00:00 Heiko Schocher hs@denx.de 2015-09-07T11:43:52+00:00 92a3188d7d836779915e3a6f9251fa07b9c753e4 introduce BIT() definition, used in at91_udc gadget driver. Signed-off-by: Heiko Schocher <hs@denx.de> [remove all other occurrences of BIT(x) definition] Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com> Acked-by: Stefan Roese <sr@denx.de> Acked-by: Anatolij Gustschin <agust@denx.de> 
introduce BIT() definition, used in at91_udc gadget
driver.

Signed-off-by: Heiko Schocher <hs@denx.de>
[remove all other occurrences of BIT(x) definition]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Anatolij Gustschin <agust@denx.de>
Correct ffs/fls regression for PowerPC etc 2009-09-17T20:45:31+00:00 Simon Kagstrom simon.kagstrom@netinsight.net 2009-09-17T13:15:52+00:00 0413cfecea350000eab5e591a0965c3e3ee0ff00 Commits 02f99901ed1c9d828e3ea117f94ce2264bf8389e 52d61227b66d4099b39c8309ab37cb67ee09a405 introduced a regression where platform-specific ffs/fls implementations were defined away. This patch corrects that by using PLATFORM_xxx instead of the name itself. Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net> Acked-by: Kumar Gala <galak@kernel.crashing.org> Acked-by: Stefan Roese <sr@denx.de> 
Commits

  02f99901ed1c9d828e3ea117f94ce2264bf8389e
  52d61227b66d4099b39c8309ab37cb67ee09a405

introduced a regression where platform-specific ffs/fls implementations
were defined away. This patch corrects that by using PLATFORM_xxx
instead of the name itself.

Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Stefan Roese <sr@denx.de>