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Message-ID: <CANXhq0o0ZZhhgBx=WRkx_9AHgguS81XajpgUE1=Emok8n+=oiw@mail.gmail.com>
Date: Mon, 12 Sep 2022 09:38:15 +0800
From: Zong Li <zong.li@...ive.com>
To: Conor Dooley <Conor.Dooley@...rochip.com>
Cc: Rob Herring <robh+dt@...nel.org>,
krzysztof.kozlowski+dt@...aro.org,
Palmer Dabbelt <palmer@...belt.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Albert Ou <aou@...s.berkeley.edu>,
Greentime Hu <greentime.hu@...ive.com>,
Ben Dooks <ben.dooks@...ive.com>, bp@...en8.de,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>,
linux-riscv <linux-riscv@...ts.infradead.org>,
linux-edac@...r.kernel.org,
"linux-kernel@...r.kernel.org List" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/6] soc: sifive: ccache: rename SiFive L2 cache to
Composable cache.
On Fri, Sep 9, 2022 at 2:34 AM <Conor.Dooley@...rochip.com> wrote:
>
> On 08/09/2022 15:44, Zong Li wrote:
> > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> >
> > Since composable cache may be L3 cache if there is a L2 cache, we should
> > use its original name composable cache to prevent confusion.
> >
> > Apart from renaming, we also add the compatible "sifive,ccache0" into ID
> > table.
> >
> > The sifive L2 has been renamed to sifive CCACHE, EDAC driver needs to
> > apply the change as well.
> >
> > Signed-off-by: Greentime Hu <greentime.hu@...ive.com>
> > Signed-off-by: Zong Li <zong.li@...ive.com>
>
> SoB chain here is odd still, if Greentime co-authored they need to have
> a Co-developed-by tag.
>
> Otherwise:
> Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
>
I guess I messed it up in this version, let me fix it, Thanks.
> > ---
> > drivers/edac/Kconfig | 2 +-
> > drivers/edac/sifive_edac.c | 12 +-
> > drivers/soc/sifive/Kconfig | 6 +-
> > drivers/soc/sifive/Makefile | 2 +-
> > .../{sifive_l2_cache.c => sifive_ccache.c} | 174 +++++++++---------
> > .../{sifive_l2_cache.h => sifive_ccache.h} | 16 +-
> > 6 files changed, 110 insertions(+), 102 deletions(-)
> > rename drivers/soc/sifive/{sifive_l2_cache.c => sifive_ccache.c} (34%)
> > rename include/soc/sifive/{sifive_l2_cache.h => sifive_ccache.h} (12%)
> >
> > diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig
> > index 17562cf1fe97..456602d373b7 100644
> > --- a/drivers/edac/Kconfig
> > +++ b/drivers/edac/Kconfig
> > @@ -473,7 +473,7 @@ config EDAC_ALTERA_SDMMC
> >
> > config EDAC_SIFIVE
> > bool "Sifive platform EDAC driver"
> > - depends on EDAC=y && SIFIVE_L2
> > + depends on EDAC=y && SIFIVE_CCACHE
> > help
> > Support for error detection and correction on the SiFive SoCs.
> >
> > diff --git a/drivers/edac/sifive_edac.c b/drivers/edac/sifive_edac.c
> > index ee800aec7d47..b844e2626fd5 100644
> > --- a/drivers/edac/sifive_edac.c
> > +++ b/drivers/edac/sifive_edac.c
> > @@ -2,7 +2,7 @@
> > /*
> > * SiFive Platform EDAC Driver
> > *
> > - * Copyright (C) 2018-2019 SiFive, Inc.
> > + * Copyright (C) 2018-2022 SiFive, Inc.
> > *
> > * This driver is partially based on octeon_edac-pc.c
> > *
> > @@ -10,7 +10,7 @@
> > #include <linux/edac.h>
> > #include <linux/platform_device.h>
> > #include "edac_module.h"
> > -#include <soc/sifive/sifive_l2_cache.h>
> > +#include <soc/sifive/sifive_ccache.h>
> >
> > #define DRVNAME "sifive_edac"
> >
> > @@ -32,9 +32,9 @@ int ecc_err_event(struct notifier_block *this, unsigned long event, void *ptr)
> >
> > p = container_of(this, struct sifive_edac_priv, notifier);
> >
> > - if (event == SIFIVE_L2_ERR_TYPE_UE)
> > + if (event == SIFIVE_CCACHE_ERR_TYPE_UE)
> > edac_device_handle_ue(p->dci, 0, 0, msg);
> > - else if (event == SIFIVE_L2_ERR_TYPE_CE)
> > + else if (event == SIFIVE_CCACHE_ERR_TYPE_CE)
> > edac_device_handle_ce(p->dci, 0, 0, msg);
> >
> > return NOTIFY_OK;
> > @@ -67,7 +67,7 @@ static int ecc_register(struct platform_device *pdev)
> > goto err;
> > }
> >
> > - register_sifive_l2_error_notifier(&p->notifier);
> > + register_sifive_ccache_error_notifier(&p->notifier);
> >
> > return 0;
> >
> > @@ -81,7 +81,7 @@ static int ecc_unregister(struct platform_device *pdev)
> > {
> > struct sifive_edac_priv *p = platform_get_drvdata(pdev);
> >
> > - unregister_sifive_l2_error_notifier(&p->notifier);
> > + unregister_sifive_ccache_error_notifier(&p->notifier);
> > edac_device_del_device(&pdev->dev);
> > edac_device_free_ctl_info(p->dci);
> >
> > diff --git a/drivers/soc/sifive/Kconfig b/drivers/soc/sifive/Kconfig
> > index 58cf8c40d08d..ed4c571f8771 100644
> > --- a/drivers/soc/sifive/Kconfig
> > +++ b/drivers/soc/sifive/Kconfig
> > @@ -2,9 +2,9 @@
> >
> > if SOC_SIFIVE
> >
> > -config SIFIVE_L2
> > - bool "Sifive L2 Cache controller"
> > +config SIFIVE_CCACHE
> > + bool "Sifive Composable Cache controller"
> > help
> > - Support for the L2 cache controller on SiFive platforms.
> > + Support for the composable cache controller on SiFive platforms.
> >
> > endif
> > diff --git a/drivers/soc/sifive/Makefile b/drivers/soc/sifive/Makefile
> > index b5caff77938f..1f5dc339bf82 100644
> > --- a/drivers/soc/sifive/Makefile
> > +++ b/drivers/soc/sifive/Makefile
> > @@ -1,3 +1,3 @@
> > # SPDX-License-Identifier: GPL-2.0
> >
> > -obj-$(CONFIG_SIFIVE_L2) += sifive_l2_cache.o
> > +obj-$(CONFIG_SIFIVE_CCACHE) += sifive_ccache.o
> > diff --git a/drivers/soc/sifive/sifive_l2_cache.c b/drivers/soc/sifive/sifive_ccache.c
> > similarity index 34%
> > rename from drivers/soc/sifive/sifive_l2_cache.c
> > rename to drivers/soc/sifive/sifive_ccache.c
> > index 59640a1d0b28..949b824e89ad 100644
> > --- a/drivers/soc/sifive/sifive_l2_cache.c
> > +++ b/drivers/soc/sifive/sifive_ccache.c
> > @@ -1,8 +1,8 @@
> > // SPDX-License-Identifier: GPL-2.0
> > /*
> > - * SiFive L2 cache controller Driver
> > + * SiFive composable cache controller Driver
> > *
> > - * Copyright (C) 2018-2019 SiFive, Inc.
> > + * Copyright (C) 2018-2022 SiFive, Inc.
> > *
> > */
> > #include <linux/debugfs.h>
> > @@ -11,33 +11,33 @@
> > #include <linux/of_address.h>
> > #include <linux/device.h>
> > #include <asm/cacheinfo.h>
> > -#include <soc/sifive/sifive_l2_cache.h>
> > +#include <soc/sifive/sifive_ccache.h>
> >
> > -#define SIFIVE_L2_DIRECCFIX_LOW 0x100
> > -#define SIFIVE_L2_DIRECCFIX_HIGH 0x104
> > -#define SIFIVE_L2_DIRECCFIX_COUNT 0x108
> > +#define SIFIVE_CCACHE_DIRECCFIX_LOW 0x100
> > +#define SIFIVE_CCACHE_DIRECCFIX_HIGH 0x104
> > +#define SIFIVE_CCACHE_DIRECCFIX_COUNT 0x108
> >
> > -#define SIFIVE_L2_DIRECCFAIL_LOW 0x120
> > -#define SIFIVE_L2_DIRECCFAIL_HIGH 0x124
> > -#define SIFIVE_L2_DIRECCFAIL_COUNT 0x128
> > +#define SIFIVE_CCACHE_DIRECCFAIL_LOW 0x120
> > +#define SIFIVE_CCACHE_DIRECCFAIL_HIGH 0x124
> > +#define SIFIVE_CCACHE_DIRECCFAIL_COUNT 0x128
> >
> > -#define SIFIVE_L2_DATECCFIX_LOW 0x140
> > -#define SIFIVE_L2_DATECCFIX_HIGH 0x144
> > -#define SIFIVE_L2_DATECCFIX_COUNT 0x148
> > +#define SIFIVE_CCACHE_DATECCFIX_LOW 0x140
> > +#define SIFIVE_CCACHE_DATECCFIX_HIGH 0x144
> > +#define SIFIVE_CCACHE_DATECCFIX_COUNT 0x148
> >
> > -#define SIFIVE_L2_DATECCFAIL_LOW 0x160
> > -#define SIFIVE_L2_DATECCFAIL_HIGH 0x164
> > -#define SIFIVE_L2_DATECCFAIL_COUNT 0x168
> > +#define SIFIVE_CCACHE_DATECCFAIL_LOW 0x160
> > +#define SIFIVE_CCACHE_DATECCFAIL_HIGH 0x164
> > +#define SIFIVE_CCACHE_DATECCFAIL_COUNT 0x168
> >
> > -#define SIFIVE_L2_CONFIG 0x00
> > -#define SIFIVE_L2_WAYENABLE 0x08
> > -#define SIFIVE_L2_ECCINJECTERR 0x40
> > +#define SIFIVE_CCACHE_CONFIG 0x00
> > +#define SIFIVE_CCACHE_WAYENABLE 0x08
> > +#define SIFIVE_CCACHE_ECCINJECTERR 0x40
> >
> > -#define SIFIVE_L2_MAX_ECCINTR 4
> > +#define SIFIVE_CCACHE_MAX_ECCINTR 4
> >
> > -static void __iomem *l2_base;
> > -static int g_irq[SIFIVE_L2_MAX_ECCINTR];
> > -static struct riscv_cacheinfo_ops l2_cache_ops;
> > +static void __iomem *ccache_base;
> > +static int g_irq[SIFIVE_CCACHE_MAX_ECCINTR];
> > +static struct riscv_cacheinfo_ops ccache_cache_ops;
> >
> > enum {
> > DIR_CORR = 0,
> > @@ -49,83 +49,84 @@ enum {
> > #ifdef CONFIG_DEBUG_FS
> > static struct dentry *sifive_test;
> >
> > -static ssize_t l2_write(struct file *file, const char __user *data,
> > - size_t count, loff_t *ppos)
> > +static ssize_t ccache_write(struct file *file, const char __user *data,
> > + size_t count, loff_t *ppos)
> > {
> > unsigned int val;
> >
> > if (kstrtouint_from_user(data, count, 0, &val))
> > return -EINVAL;
> > if ((val < 0xFF) || (val >= 0x10000 && val < 0x100FF))
> > - writel(val, l2_base + SIFIVE_L2_ECCINJECTERR);
> > + writel(val, ccache_base + SIFIVE_CCACHE_ECCINJECTERR);
> > else
> > return -EINVAL;
> > return count;
> > }
> >
> > -static const struct file_operations l2_fops = {
> > +static const struct file_operations ccache_fops = {
> > .owner = THIS_MODULE,
> > .open = simple_open,
> > - .write = l2_write
> > + .write = ccache_write
> > };
> >
> > static void setup_sifive_debug(void)
> > {
> > - sifive_test = debugfs_create_dir("sifive_l2_cache", NULL);
> > + sifive_test = debugfs_create_dir("sifive_ccache_cache", NULL);
> >
> > debugfs_create_file("sifive_debug_inject_error", 0200,
> > - sifive_test, NULL, &l2_fops);
> > + sifive_test, NULL, &ccache_fops);
> > }
> > #endif
> >
> > -static void l2_config_read(void)
> > +static void ccache_config_read(void)
> > {
> > u32 regval, val;
> >
> > - regval = readl(l2_base + SIFIVE_L2_CONFIG);
> > + regval = readl(ccache_base + SIFIVE_CCACHE_CONFIG);
> > val = regval & 0xFF;
> > - pr_info("L2CACHE: No. of Banks in the cache: %d\n", val);
> > + pr_info("CCACHE: No. of Banks in the cache: %d\n", val);
> > val = (regval & 0xFF00) >> 8;
> > - pr_info("L2CACHE: No. of ways per bank: %d\n", val);
> > + pr_info("CCACHE: No. of ways per bank: %d\n", val);
> > val = (regval & 0xFF0000) >> 16;
> > - pr_info("L2CACHE: Sets per bank: %llu\n", (uint64_t)1 << val);
> > + pr_info("CCACHE: Sets per bank: %llu\n", (uint64_t)1 << val);
> > val = (regval & 0xFF000000) >> 24;
> > - pr_info("L2CACHE: Bytes per cache block: %llu\n", (uint64_t)1 << val);
> > + pr_info("CCACHE: Bytes per cache block: %llu\n", (uint64_t)1 << val);
> >
> > - regval = readl(l2_base + SIFIVE_L2_WAYENABLE);
> > - pr_info("L2CACHE: Index of the largest way enabled: %d\n", regval);
> > + regval = readl(ccache_base + SIFIVE_CCACHE_WAYENABLE);
> > + pr_info("CCACHE: Index of the largest way enabled: %d\n", regval);
> > }
> >
> > -static const struct of_device_id sifive_l2_ids[] = {
> > +static const struct of_device_id sifive_ccache_ids[] = {
> > { .compatible = "sifive,fu540-c000-ccache" },
> > { .compatible = "sifive,fu740-c000-ccache" },
> > - { /* end of table */ },
> > + { .compatible = "sifive,ccache0" },
> > + { /* end of table */ }
> > };
> >
> > -static ATOMIC_NOTIFIER_HEAD(l2_err_chain);
> > +static ATOMIC_NOTIFIER_HEAD(ccache_err_chain);
> >
> > -int register_sifive_l2_error_notifier(struct notifier_block *nb)
> > +int register_sifive_ccache_error_notifier(struct notifier_block *nb)
> > {
> > - return atomic_notifier_chain_register(&l2_err_chain, nb);
> > + return atomic_notifier_chain_register(&ccache_err_chain, nb);
> > }
> > -EXPORT_SYMBOL_GPL(register_sifive_l2_error_notifier);
> > +EXPORT_SYMBOL_GPL(register_sifive_ccache_error_notifier);
> >
> > -int unregister_sifive_l2_error_notifier(struct notifier_block *nb)
> > +int unregister_sifive_ccache_error_notifier(struct notifier_block *nb)
> > {
> > - return atomic_notifier_chain_unregister(&l2_err_chain, nb);
> > + return atomic_notifier_chain_unregister(&ccache_err_chain, nb);
> > }
> > -EXPORT_SYMBOL_GPL(unregister_sifive_l2_error_notifier);
> > +EXPORT_SYMBOL_GPL(unregister_sifive_ccache_error_notifier);
> >
> > -static int l2_largest_wayenabled(void)
> > +static int ccache_largest_wayenabled(void)
> > {
> > - return readl(l2_base + SIFIVE_L2_WAYENABLE) & 0xFF;
> > + return readl(ccache_base + SIFIVE_CCACHE_WAYENABLE) & 0xFF;
> > }
> >
> > static ssize_t number_of_ways_enabled_show(struct device *dev,
> > struct device_attribute *attr,
> > char *buf)
> > {
> > - return sprintf(buf, "%u\n", l2_largest_wayenabled());
> > + return sprintf(buf, "%u\n", ccache_largest_wayenabled());
> > }
> >
> > static DEVICE_ATTR_RO(number_of_ways_enabled);
> > @@ -139,99 +140,106 @@ static const struct attribute_group priv_attr_group = {
> > .attrs = priv_attrs,
> > };
> >
> > -static const struct attribute_group *l2_get_priv_group(struct cacheinfo *this_leaf)
> > +static const struct attribute_group *ccache_get_priv_group(struct cacheinfo
> > + *this_leaf)
> > {
> > - /* We want to use private group for L2 cache only */
> > + /* We want to use private group for composable cache only */
> > if (this_leaf->level == 2)
> > return &priv_attr_group;
> > else
> > return NULL;
> > }
> >
> > -static irqreturn_t l2_int_handler(int irq, void *device)
> > +static irqreturn_t ccache_int_handler(int irq, void *device)
> > {
> > unsigned int add_h, add_l;
> >
> > if (irq == g_irq[DIR_CORR]) {
> > - add_h = readl(l2_base + SIFIVE_L2_DIRECCFIX_HIGH);
> > - add_l = readl(l2_base + SIFIVE_L2_DIRECCFIX_LOW);
> > - pr_err("L2CACHE: DirError @ 0x%08X.%08X\n", add_h, add_l);
> > + add_h = readl(ccache_base + SIFIVE_CCACHE_DIRECCFIX_HIGH);
> > + add_l = readl(ccache_base + SIFIVE_CCACHE_DIRECCFIX_LOW);
> > + pr_err("CCACHE: DirError @ 0x%08X.%08X\n", add_h, add_l);
> > /* Reading this register clears the DirError interrupt sig */
> > - readl(l2_base + SIFIVE_L2_DIRECCFIX_COUNT);
> > - atomic_notifier_call_chain(&l2_err_chain, SIFIVE_L2_ERR_TYPE_CE,
> > + readl(ccache_base + SIFIVE_CCACHE_DIRECCFIX_COUNT);
> > + atomic_notifier_call_chain(&ccache_err_chain,
> > + SIFIVE_CCACHE_ERR_TYPE_CE,
> > "DirECCFix");
> > }
> > if (irq == g_irq[DIR_UNCORR]) {
> > - add_h = readl(l2_base + SIFIVE_L2_DIRECCFAIL_HIGH);
> > - add_l = readl(l2_base + SIFIVE_L2_DIRECCFAIL_LOW);
> > + add_h = readl(ccache_base + SIFIVE_CCACHE_DIRECCFAIL_HIGH);
> > + add_l = readl(ccache_base + SIFIVE_CCACHE_DIRECCFAIL_LOW);
> > /* Reading this register clears the DirFail interrupt sig */
> > - readl(l2_base + SIFIVE_L2_DIRECCFAIL_COUNT);
> > - atomic_notifier_call_chain(&l2_err_chain, SIFIVE_L2_ERR_TYPE_UE,
> > + readl(ccache_base + SIFIVE_CCACHE_DIRECCFAIL_COUNT);
> > + atomic_notifier_call_chain(&ccache_err_chain,
> > + SIFIVE_CCACHE_ERR_TYPE_UE,
> > "DirECCFail");
> > - panic("L2CACHE: DirFail @ 0x%08X.%08X\n", add_h, add_l);
> > + panic("CCACHE: DirFail @ 0x%08X.%08X\n", add_h, add_l);
> > }
> > if (irq == g_irq[DATA_CORR]) {
> > - add_h = readl(l2_base + SIFIVE_L2_DATECCFIX_HIGH);
> > - add_l = readl(l2_base + SIFIVE_L2_DATECCFIX_LOW);
> > - pr_err("L2CACHE: DataError @ 0x%08X.%08X\n", add_h, add_l);
> > + add_h = readl(ccache_base + SIFIVE_CCACHE_DATECCFIX_HIGH);
> > + add_l = readl(ccache_base + SIFIVE_CCACHE_DATECCFIX_LOW);
> > + pr_err("CCACHE: DataError @ 0x%08X.%08X\n", add_h, add_l);
> > /* Reading this register clears the DataError interrupt sig */
> > - readl(l2_base + SIFIVE_L2_DATECCFIX_COUNT);
> > - atomic_notifier_call_chain(&l2_err_chain, SIFIVE_L2_ERR_TYPE_CE,
> > + readl(ccache_base + SIFIVE_CCACHE_DATECCFIX_COUNT);
> > + atomic_notifier_call_chain(&ccache_err_chain,
> > + SIFIVE_CCACHE_ERR_TYPE_CE,
> > "DatECCFix");
> > }
> > if (irq == g_irq[DATA_UNCORR]) {
> > - add_h = readl(l2_base + SIFIVE_L2_DATECCFAIL_HIGH);
> > - add_l = readl(l2_base + SIFIVE_L2_DATECCFAIL_LOW);
> > - pr_err("L2CACHE: DataFail @ 0x%08X.%08X\n", add_h, add_l);
> > + add_h = readl(ccache_base + SIFIVE_CCACHE_DATECCFAIL_HIGH);
> > + add_l = readl(ccache_base + SIFIVE_CCACHE_DATECCFAIL_LOW);
> > + pr_err("CCACHE: DataFail @ 0x%08X.%08X\n", add_h, add_l);
> > /* Reading this register clears the DataFail interrupt sig */
> > - readl(l2_base + SIFIVE_L2_DATECCFAIL_COUNT);
> > - atomic_notifier_call_chain(&l2_err_chain, SIFIVE_L2_ERR_TYPE_UE,
> > + readl(ccache_base + SIFIVE_CCACHE_DATECCFAIL_COUNT);
> > + atomic_notifier_call_chain(&ccache_err_chain,
> > + SIFIVE_CCACHE_ERR_TYPE_UE,
> > "DatECCFail");
> > }
> >
> > return IRQ_HANDLED;
> > }
> >
> > -static int __init sifive_l2_init(void)
> > +static int __init sifive_ccache_init(void)
> > {
> > struct device_node *np;
> > struct resource res;
> > int i, rc, intr_num;
> >
> > - np = of_find_matching_node(NULL, sifive_l2_ids);
> > + np = of_find_matching_node(NULL, sifive_ccache_ids);
> > if (!np)
> > return -ENODEV;
> >
> > if (of_address_to_resource(np, 0, &res))
> > return -ENODEV;
> >
> > - l2_base = ioremap(res.start, resource_size(&res));
> > - if (!l2_base)
> > + ccache_base = ioremap(res.start, resource_size(&res));
> > + if (!ccache_base)
> > return -ENOMEM;
> >
> > intr_num = of_property_count_u32_elems(np, "interrupts");
> > if (!intr_num) {
> > - pr_err("L2CACHE: no interrupts property\n");
> > + pr_err("CCACHE: no interrupts property\n");
> > return -ENODEV;
> > }
> >
> > for (i = 0; i < intr_num; i++) {
> > g_irq[i] = irq_of_parse_and_map(np, i);
> > - rc = request_irq(g_irq[i], l2_int_handler, 0, "l2_ecc", NULL);
> > + rc = request_irq(g_irq[i], ccache_int_handler, 0, "ccache_ecc",
> > + NULL);
> > if (rc) {
> > - pr_err("L2CACHE: Could not request IRQ %d\n", g_irq[i]);
> > + pr_err("CCACHE: Could not request IRQ %d\n", g_irq[i]);
> > return rc;
> > }
> > }
> >
> > - l2_config_read();
> > + ccache_config_read();
> >
> > - l2_cache_ops.get_priv_group = l2_get_priv_group;
> > - riscv_set_cacheinfo_ops(&l2_cache_ops);
> > + ccache_cache_ops.get_priv_group = ccache_get_priv_group;
> > + riscv_set_cacheinfo_ops(&ccache_cache_ops);
> >
> > #ifdef CONFIG_DEBUG_FS
> > setup_sifive_debug();
> > #endif
> > return 0;
> > }
> > -device_initcall(sifive_l2_init);
> > +
> > +device_initcall(sifive_ccache_init);
> > diff --git a/include/soc/sifive/sifive_l2_cache.h b/include/soc/sifive/sifive_ccache.h
> > similarity index 12%
> > rename from include/soc/sifive/sifive_l2_cache.h
> > rename to include/soc/sifive/sifive_ccache.h
> > index 92ade10ed67e..4d4ed49388a0 100644
> > --- a/include/soc/sifive/sifive_l2_cache.h
> > +++ b/include/soc/sifive/sifive_ccache.h
> > @@ -1,16 +1,16 @@
> > /* SPDX-License-Identifier: GPL-2.0 */
> > /*
> > - * SiFive L2 Cache Controller header file
> > + * SiFive Composable Cache Controller header file
> > *
> > */
> >
> > -#ifndef __SOC_SIFIVE_L2_CACHE_H
> > -#define __SOC_SIFIVE_L2_CACHE_H
> > +#ifndef __SOC_SIFIVE_CCACHE_H
> > +#define __SOC_SIFIVE_CCACHE_H
> >
> > -extern int register_sifive_l2_error_notifier(struct notifier_block *nb);
> > -extern int unregister_sifive_l2_error_notifier(struct notifier_block *nb);
> > +extern int register_sifive_ccache_error_notifier(struct notifier_block *nb);
> > +extern int unregister_sifive_ccache_error_notifier(struct notifier_block *nb);
> >
> > -#define SIFIVE_L2_ERR_TYPE_CE 0
> > -#define SIFIVE_L2_ERR_TYPE_UE 1
> > +#define SIFIVE_CCACHE_ERR_TYPE_CE 0
> > +#define SIFIVE_CCACHE_ERR_TYPE_UE 1
> >
> > -#endif /* __SOC_SIFIVE_L2_CACHE_H */
> > +#endif /* __SOC_SIFIVE_CCACHE_H */
> > --
> > 2.17.1
> >
>
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