kernel/linux.git/arch/mips/ath79/clock.c, branch linux-4.16.y

MIPS: Convert to using %pOF instead of full_name

2017-08-29T13:21:50+00:00

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: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/16783/ Signed-off-by: Ralf Baechle

MIPS: Audit and remove any unnecessary uses of module.h

2017-02-14T09:00:25+00:00

Historically a lot of these existed because we did not have a distinction between what was modular code and what was providing support to modules via EXPORT_SYMBOL and friends. That changed when we forked out support for the latter into the export.h file. This means we should be able to reduce the usage of module.h in code that is obj-y Makefile or bool Kconfig. In the case of some code where it is modular, we can extend that to also include files that are building basic support functionality but not related to loading or registering the final module; such files also have no need whatsoever for module.h The advantage in removing such instances is that module.h itself sources about 15 other headers; adding significantly to what we feed cpp, and it can obscure what headers we are effectively using. Since module.h might have been the implicit source for init.h (for __init) and for export.h (for EXPORT_SYMBOL) we consider each instance for the presence of either and replace/add as needed. Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code. Build coverage of all the mips defconfigs revealed the module.h header was masking a couple of implicit include instances, so we add the appropriate headers there. Signed-off-by: Paul Gortmaker Cc: David Daney Cc: John Crispin Cc: Ralf Baechle Cc: "Steven J. Hill" Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/15131/ [james.hogan@imgtec.com: Preserve sort order where it already exists] Signed-off-by: James Hogan

mips: ath79: clock:- Unmap region obtained by of_iomap

2017-01-25T01:51:12+00:00

Free memory mapping, if ath79_clocks_init_dt_ng is not successful. Signed-off-by: Arvind Yadav Fixes: 3bdf1071ba7d ("MIPS: ath79: update devicetree clock support for AR9132") Cc: antonynpavlov@gmail.com Cc: albeu@free.fr Cc: hackpascal@gmail.com Cc: sboyd@codeaurora.org Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14915/ Signed-off-by: Ralf Baechle

MIPS: ath79: Fix error handling

2017-01-03T15:34:39+00:00

'clk_register_fixed_rate()' returns an error pointer in case of error, not NULL. So test it with IS_ERR. Signed-off-by: Christophe JAILLET Acked-by: Aban Bedel Cc: antonynpavlov@gmail.com Cc: hackpascal@gmail.com Cc: amitoj1606@gmail.com Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: kernel-janitors@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14464/ Signed-off-by: Ralf Baechle

MIPS: ath79: Fix test for error return of clk_register_fixed_factor().

2016-09-13T12:13:26+00:00

clk_register_fixed_factor returns an ERR_PTR in case of an error and should have an IS_ERR check instead of a null check. The Coccinelle semantic patch used to find this issue is as follows: @@ expression e; statement S; @@ *e = clk_register_fixed_factor(...); if (!e) S Signed-off-by: Amitoj Kaur Chawla Cc: julia.lawall@lip6.fr Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/13894/ Signed-off-by: Ralf Baechle

MIPS: ath79: Remove CLK_IS_ROOT

2016-05-13T13:30:25+00:00

This flag is a no-op now (see commit 47b0eeb3dc8a "clk: Deprecate CLK_IS_ROOT", 2016-02-02) so remove it. Signed-off-by: Stephen Boyd Cc: Antony Pavlov Cc: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/13133/ Signed-off-by: Ralf Baechle

MIPS: ath79: update devicetree clock support for AR9331

2016-05-13T12:01:46+00:00

Signed-off-by: Antony Pavlov Cc: Gabor Juhos Cc: Alban Bedel Cc: Michael Turquette Cc: Stephen Boyd Cc: Rob Herring Cc: linux-clk@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/12879/ Signed-off-by: Ralf Baechle

MIPS: ath79: update devicetree clock support for AR9132

2016-05-13T12:01:45+00:00

Current ath79 clock.c code does not read reference clock and pll setup from devicetree. E.g. you can set any clock rate value in board DTS but it will have no effect on the real clk calculation. This patch fixes some AR9132 devicetree clock support defects: * clk initialization function ath79_clocks_init_dt_ng() is introduced; it actually gets pll block base register address and reference clock from devicetree; * pll register parsing code is moved to the separate ar724x_clk_init() function; this function can be called from platform code or from devicetree code. Also mips_hpt_frequency value is set from dt, so the appropriate clock parameter is added to the cpu@0 devicetree node. The same approach can be used for adding AR9331 devicetree support. Signed-off-by: Antony Pavlov Cc: Gabor Juhos Cc: Alban Bedel Cc: Michael Turquette Cc: Stephen Boyd Cc: Rob Herring Cc: linux-clk@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/12876/ Signed-off-by: Ralf Baechle

MIPS: ath79: Introduce

2016-05-13T12:01:45+00:00

The include/dt-bindings/clock/ath79-clk.h header file is introduced so we can use symbolic identifiers for SoC clocks. Signed-off-by: Antony Pavlov Cc: Gabor Juhos Cc: Alban Bedel Cc: Michael Turquette Cc: Stephen Boyd Cc: Rob Herring Cc: linux-mips@linux-mips.org Cc: linux-clk@vger.kernel.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/12875/ Signed-off-by: Ralf Baechle

MIPS: ath79: Fix the ar913x reference clock rate

2016-04-03T10:32:10+00:00

The reference clock on ar913x is at 40MHz and not 5MHz. The current implementation use the wrong reference rate because it doesn't take the PLL divider in account. But if we fix the code to use the divider it becomes identical with the implementation for ar724x, so just drop the broken ar913x implementation. Signed-off-by: Alban Bedel Tested-by: Antony Pavlov Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/12871/ Signed-off-by: Ralf Baechle