Messages in this thread | | | From | Chun-Kuang Hu <> | Date | Sun, 4 Oct 2020 21:05:11 +0800 | Subject | Re: [PATCH] [PATCH] of_reserved_mem: Increase the number of reserved regions |
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Hi, Phil:
Phil Chang <phil.chang@mediatek.com> 於 2020年10月4日 週日 下午1:51寫道: > > Certain SoCs need to support large amount of reserved memory > regions, especially to follow the GKI rules from Google. > In MTK new SoC requires more than 68 regions of reserved memory > for each IP's usage, such as load firmware to specific sapce,
space
> so that need to reserve more regisions
regions.
I guess this requirement is from Mediatek SoC, but I find below device tree and just find one reserved memory region,
arch/arm64/boot/dts/mediatek/mt7622.dtsi arch/arm64/boot/dts/mediatek/mt8173.dtsi arch/arm64/boot/dts/mediatek/mt8516.dtsi
Could you show me the 68 regions?
Regards, Chun-Kuang.
> > Signed-off-by: Joe Liu <joe.liu@mediatek.com> > Signed-off-by: YJ Chiang <yj.chiang@mediatek.com> > Signed-off-by: Alix Wu <alix.wu@mediatek.com> > Signed-off-by: Phil Chang <phil.chang@mediatek.com> > --- > drivers/of/of_reserved_mem.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c > index 46b9371c8a33..595f0741dcef 100644 > --- a/drivers/of/of_reserved_mem.c > +++ b/drivers/of/of_reserved_mem.c > @@ -22,7 +22,7 @@ > #include <linux/slab.h> > #include <linux/memblock.h> > > -#define MAX_RESERVED_REGIONS 64 > +#define MAX_RESERVED_REGIONS 128 > static struct reserved_mem reserved_mem[MAX_RESERVED_REGIONS]; > static int reserved_mem_count; > > -- > 2.18.0 > _______________________________________________ > Linux-mediatek mailing list > Linux-mediatek@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-mediatek
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