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authorSerge Semin <Sergey.Semin@baikalelectronics.ru>2022-09-09 21:36:16 +0200
committerDamien Le Moal <damien.lemoal@opensource.wdc.com>2022-09-16 18:40:11 +0200
commit6ce73f3a6fc0ad6af56ba4c14ab7a410876f8286 (patch)
treeef8783de1354b8dd397b23b0595dcabcbec87e1a /drivers/ata/Kconfig
parentdt-bindings: ata: ahci: Add DWC AHCI SATA controller DT schema (diff)
downloadlinux-6ce73f3a6fc0ad6af56ba4c14ab7a410876f8286.tar.xz
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ata: libahci_platform: Add function returning a clock-handle by id
Since all the clocks are retrieved by the method ahci_platform_get_resources() there is no need for the LLD (glue) drivers to be looking for some particular of them in the kernel clocks table again. Instead we suggest to add a simple method returning a device-specific clock with passed connection ID if it is managed to be found. Otherwise the function will return NULL. Thus the glue-drivers won't need to either manually touching the hpriv->clks array or calling clk_get()-friends. The AHCI platform drivers will be able to use the new function right after the ahci_platform_get_resources() method invocation and up to the device removal. Note the method is left unused here, but will be utilized in the framework of the DWC AHCI SATA driver being added in the next commit. Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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