From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tero Kristo Subject: [PATCH 03/30] ARM: OMAP2+: omap_device: create clock alias purely from DT data Date: Mon, 11 Apr 2016 11:18:54 +0300 Message-ID: <1460362761-4842-4-git-send-email-t-kristo@ti.com> References: <1460362761-4842-1-git-send-email-t-kristo@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1460362761-4842-1-git-send-email-t-kristo-l0cyMroinI0@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org, paul-DWxLp4Yu+b8AvxtiuMwx3w@public.gmane.org, mturquette-rdvid1DuHRBWk0Htik3J/w@public.gmane.org, sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org This avoids the need to add most of the clock aliases under drivers/clk/ti/clk-xyz.c files. Signed-off-by: Tero Kristo --- arch/arm/mach-omap2/omap_device.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c index f7ff3b9..b32d7c8 100644 --- a/arch/arm/mach-omap2/omap_device.c +++ b/arch/arm/mach-omap2/omap_device.c @@ -63,7 +63,22 @@ static void _add_clkdev(struct omap_device *od, const char *clk_alias, return; } - rc = clk_add_alias(clk_alias, dev_name(&od->pdev->dev), clk_name, NULL); + r = clk_get_sys(NULL, clk_name); + + if (IS_ERR(r) && of_have_populated_dt()) { + struct of_phandle_args clkspec; + + clkspec.np = of_find_node_by_name(NULL, clk_name); + + r = of_clk_get_from_provider(&clkspec); + + rc = clk_register_clkdev(r, clk_alias, + dev_name(&od->pdev->dev)); + } else { + rc = clk_add_alias(clk_alias, dev_name(&od->pdev->dev), + clk_name, NULL); + } + if (rc) { if (rc == -ENODEV || rc == -ENOMEM) dev_err(&od->pdev->dev, -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html