user/sven/linux.git/drivers/clk/clkdev.c, branch v4.19.107

ARM: 8778/1: clkdev: don't call __of_clk_get_by_name() unnecessarily from clk_get()

2018-08-13T15:27:52Z

The way this function is implemented caused some confusion when converting the TI DaVinci platform to using the common clock framework. Current kernel supports booting DaVinci boards both in device tree as well as legacy, board-file mode. In the latter, we always end up calling clk_get_sys() as of_node is NULL and __of_clk_get_by_name() returns -ENOENT. It was not obvious at first glance how clk_get(dev, NULL) will work in board-file mode since we always call __of_clk_get_by_name(). Let's make it clearer by checking if of_node is NULL and skipping right to clk_get_sys(). Cc: Sekhar Nori Cc: Kevin Hilman Cc: David Lechner Reviewed-by: David Lechner Reviewed-by: Sekhar Nori Signed-off-by: Bartosz Golaszewski Signed-off-by: Russell King

ARM: 8776/1: clkdev: Remove duplicated negative index check from __of_clk_get()

2018-07-11T10:02:48Z

__of_clk_get() calls of_parse_phandle_with_args(), which rejects negative indices since commit bd69f73f2c81eed9 ("of: Create function for counting number of phandles in a property"). Signed-off-by: Geert Uytterhoeven Reviewed-by: Stephen Boyd Signed-off-by: Russell King

clk: Prepare to remove asm-generic/clkdev.h

2018-01-03T00:12:00Z

Now that all the users of asm/clkdev.h have been replaced with the generic file we can get rid of the asm-generic file as well and implement that code directly where it's used. We only have one caller of __clkdev_alloc(), in clkdev.c so we can easily remove that and drop the include of asm/clkdev.h in linux/clkdev.h by putting the __clk_get/__clk_put inlines in their respective location. Cc: Russell King Signed-off-by: Stephen Boyd

clk: Convert to using %pOF instead of full_name

2017-07-21T22:49:54Z

Now that we have a custom printf format specifier, convert users of full_name to use %pOF instead. This is preparation to remove storing of the full path string for each node. Signed-off-by: Rob Herring Cc: Michael Turquette Cc: Stephen Boyd Cc: Maxime Coquelin Cc: Alexandre Torgue Cc: Russell King Cc: Matthias Brugger Cc: Geert Uytterhoeven Cc: Maxime Ripard Cc: Chen-Yu Tsai Cc: "Emilio López" Cc: Peter De Schrijver Cc: Prashant Gaikwad Cc: Thierry Reding Cc: Jonathan Hunter Cc: Tero Kristo Cc: linux-clk@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-mediatek@lists.infradead.org Cc: linux-renesas-soc@vger.kernel.org Cc: linux-tegra@vger.kernel.org Cc: linux-omap@vger.kernel.org Acked-by: Maxime Ripard Reviewed-by: Geert Uytterhoeven Acked-by: Geert Uytterhoeven Acked-by: James Liao Acked-by: Alexandre TORGUE Reviewed-by: Matthias Brugger Signed-off-by: Stephen Boyd

ARM: 8631/1: clkdev: Detect errors in clk_hw_register_clkdev() for mass registration

2016-11-22T11:45:28Z

Unlike clk_register_clkdev(), clk_hw_register_clkdev() doesn't check for passed error objects from a previous registration call. Hence the caller of clk_hw_register_*() has to check for errors before calling clk_hw_register_clkdev*(). Make clk_hw_register_clkdev() more similar to clk_register_clkdev() by adding this error check, removing the burden from callers that do mass registration. Fixes: e4f1b49bda6d6aa2 ("clkdev: Add clk_hw based registration APIs") Fixes: 944b9a41e004534f ("clk: ls1x: Migrate to clk_hw based OF and registration APIs") Fixes: 44ce9a9ae977736f ("MIPS: TXx9: Convert to Common Clock Framework") Fixes: f48d947a162dfa9d ("clk: clps711x: Migrate to clk_hw based OF and registration APIs") Fixes: b4626a7f489238a5 ("CLK: Add Loongson1C clock support") Signed-off-by: Geert Uytterhoeven Signed-off-by: Russell King

treewide: replace obsolete _refok by __ref

2016-08-02T21:31:41Z

There was only one use of __initdata_refok and __exit_refok __init_refok was used 46 times against 82 for __ref. Those definitions are obsolete since commit 312b1485fb50 ("Introduce new section reference annotations tags: __ref, __refdata, __refconst") This patch removes the following compatibility definitions and replaces them treewide. /* compatibility defines */ #define __init_refok __ref #define __initdata_refok __refdata #define __exit_refok __ref I can also provide separate patches if necessary. (One patch per tree and check in 1 month or 2 to remove old definitions) [akpm@linux-foundation.org: coding-style fixes] Link: http://lkml.kernel.org/r/1466796271-3043-1-git-send-email-fabf@skynet.be Signed-off-by: Fabian Frederick Cc: Ingo Molnar Cc: Sam Ravnborg Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

clkdev: Add clk_hw based registration APIs

2016-04-19T23:54:26Z

Now that we have a clk registration API that doesn't return struct clks, we need to have some way to hand out struct clks via the clk_get() APIs that doesn't involve associating struct clk pointers with a struct clk_lookup. Luckily, clkdev already operates on struct clk_hw pointers, except for the registration facing APIs where it converts struct clk pointers into struct clk_hw pointers almost immediately. Let's add clk_hw based registration APIs so that we can skip the conversion step and provide a way for clk provider drivers to operate exclusively on clk_hw structs. This way we clearly split the API between consumers and providers. Cc: Russell King Signed-off-by: Stephen Boyd

clkdev: Remove clk_register_clkdevs()

2016-04-19T23:51:58Z

Now that we've converted the only caller over to another clkdev API, remove this one. Reviewed-by: Andy Shevchenko Cc: Russell King Signed-off-by: Stephen Boyd

ARM: 8503/1: clk_register_clkdev: remove format string interface

2016-02-16T16:34:18Z

Many callers either use NULL or const strings for the third argument of clk_register_clkdev. For those that do not and use a non-const string, this is a risk for format strings being accidentally processed (for example in device names). As this interface is already used as if it weren't a format string (prints nothing when NULL), and there are zero users of the format strings, remove the format string interface to make sure format strings will not leak into the clkdev. $ git grep '\bclk_register_clkdev\b' | grep % | wc -l 0 Unfortunately, all the internals expect a va_list even though they treat a NULL format string as special. To deal with this, we must pass either (..., "%s", string) or (..., NULL) so that a the va_list will be created correctly (passing the name as an argument, not as a format string). Signed-off-by: Kees Cook Signed-off-by: Russell King

clkdev: fix clk_add_alias() with a NULL alias device name

2015-10-20T16:24:08Z

clk_add_alias() was not correctly handling the case where alias_dev_name was NULL: rather than producing an entry with a NULL dev_id pointer, it would produce a device name of (null). Fix this. Cc: Fixes: 2568999835d7 ("clkdev: add clkdev_create() helper") Reported-by: Aaro Koskinen Tested-by: Aaro Koskinen Signed-off-by: Russell King