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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On 05/09/2022 09:31, Zong Li wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > Composable cache could be L2 or L3 cache, use 'cache-level' property of > device node to determine the level. > > Signed-off-by: Zong Li > Signed-off-by: Greentime Hu > --- > drivers/soc/sifive/sifive_ccache.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/drivers/soc/sifive/sifive_ccache.c b/drivers/soc/sifive/sifive_ccache.c > index 1b16a196547f..0e0eb85c94d8 100644 > --- a/drivers/soc/sifive/sifive_ccache.c > +++ b/drivers/soc/sifive/sifive_ccache.c > @@ -38,6 +38,7 @@ > static void __iomem *ccache_base; > static int g_irq[SIFIVE_CCACHE_MAX_ECCINTR]; > static struct riscv_cacheinfo_ops ccache_cache_ops; > +static int level; Can you have a system with a composable l2 & l3 cache? > > enum { > DIR_CORR = 0, > @@ -143,7 +144,7 @@ static const struct attribute_group priv_attr_group = { > static const struct attribute_group *ccache_get_priv_group(struct cacheinfo *this_leaf) > { > /* We want to use private group for composable cache only */ > - if (this_leaf->level == 2) > + if (this_leaf->level == level) > return &priv_attr_group; > else > return NULL; > @@ -210,6 +211,9 @@ static int __init sifive_ccache_init(void) > if (!ccache_base) > return -ENOMEM; > > + if (of_property_read_u32(np, "cache-level", &level)) > + return -ENODEV; > + > intr_num = of_property_count_u32_elems(np, "interrupts"); > if (!intr_num) { > pr_err("CCACHE: no interrupts property\n"); > -- > 2.17.1 > _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv