Messages in this thread | | | Date | Tue, 1 Apr 2014 07:33:43 +0200 | From | Steffen Trumtrar <> | Subject | Re: [PATCH 2/2] arm: socfpga: Add support for Altera SoC SDRAM controller |
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On Mon, Mar 31, 2014 at 05:07:07PM -0500, tthayer@altera.com wrote: > From: Thor Thayer <tthayer@altera.com> > > Addition of the Altera SDRAM controller registers to the > Altera SoC project. These registers are shared by future > drivers such as ECC and the FPGA bridge. > > Signed-off-by: Thor Thayer <tthayer@altera.com> > To: Rob Herring <rob.herring@calxeda.com> > To: Pawel Moll <pawel.moll@arm.com> > To: Mark Rutland <mark.rutland@arm.com> > To: Ian Campbell <ijc+devicetree@hellion.org.uk> > To: Kumar Gala <galak@codeaurora.org> > To: Rob Landley <rob@landley.net> > To: Russell King <linux@arm.linux.org.uk> > To: Dinh Nguyen <dinguyen@altera.com> > Cc: devicetree@vger.kernel.org > Cc: linux-doc@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Cc: linux-arm-kernel@lists.infradead.org > --- > arch/arm/mach-socfpga/socfpga.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c > index 21d6026..d514e8a 100644 > --- a/arch/arm/mach-socfpga/socfpga.c > +++ b/arch/arm/mach-socfpga/socfpga.c > @@ -32,6 +32,7 @@ > void __iomem *socfpga_scu_base_addr = ((void __iomem *)(SOCFPGA_SCU_VIRT_BASE)); > void __iomem *sys_manager_base_addr; > void __iomem *rst_manager_base_addr; > +void __iomem *sdr_ctl_base_addr; > void __iomem *clk_mgr_base_addr; > unsigned long cpu1start_addr; >
Can't we get rid of all these global pointers instead of adding to them?
> @@ -150,6 +151,15 @@ void __init socfpga_sysmgr_init(void) > > np = of_find_compatible_node(NULL, NULL, "altr,clk-mgr"); > clk_mgr_base_addr = of_iomap(np, 0); > + > + np = of_find_compatible_node(NULL, NULL, "altr,sdr-ctl"); > + if (!np) { > + pr_err("SOCFPGA: Unable to find sdr-ctl\n"); > + return; > + } > + > + sdr_ctl_base_addr = of_iomap(np, 0); > + WARN_ON(!sdr_ctl_base_addr); > } > > static void __init socfpga_init_irq(void) > -- > 1.7.9.5 >
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