Thread (37 messages) 37 messages, 9 authors, 2018-03-01

[PATCH v6 07/12] drivers: base cacheinfo: Add support for ACPI based firmware tables

From: Sudeep Holla <hidden>
Date: 2018-01-15 15:06:42
Also in: linux-acpi, linux-pm, lkml

On Fri, Jan 12, 2018 at 06:59:15PM -0600, Jeremy Linton wrote:
Add a entry to to struct cacheinfo to maintain a reference to the PPTT
node which can be used to match identical caches across cores. Also
stub out cache_setup_acpi() so that individual architectures can
enable ACPI topology parsing.
You need to reword above message as you no longer add a new entry.
Other than a minor nit below, looks good.

With those changes done,
Acked-by: Sudeep Holla <redacted>
quoted hunk ↗ jump to hunk
Signed-off-by: Jeremy Linton <redacted>
---
 drivers/acpi/pptt.c       |  1 +
 drivers/base/cacheinfo.c  | 20 +++++++++++++-------
 include/linux/cacheinfo.h |  9 +++++++++
 3 files changed, 23 insertions(+), 7 deletions(-)
diff --git a/drivers/acpi/pptt.c b/drivers/acpi/pptt.c
index 2c4b3ed862a8..4f5ab19c3a08 100644
--- a/drivers/acpi/pptt.c
+++ b/drivers/acpi/pptt.c
@@ -329,6 +329,7 @@ static void update_cache_properties(struct cacheinfo *this_leaf,
 {
 	int valid_flags = 0;
 
+	this_leaf->fw_unique = cpu_node;
 	if (found_cache->flags & ACPI_PPTT_SIZE_PROPERTY_VALID) {
 		this_leaf->size = found_cache->size;
 		valid_flags++;
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c
index 217aa90fb036..ee51e33cc37c 100644
--- a/drivers/base/cacheinfo.c
+++ b/drivers/base/cacheinfo.c
@@ -208,16 +208,16 @@ static int cache_setup_of_node(unsigned int cpu)
 
 	if (index != cache_leaves(cpu)) /* not all OF nodes populated */
 		return -ENOENT;
-
 	return 0;
 }
+
[nit] may be it looks better now but still unnecessary, please drop in
the context of $subject patch.

--
Regards,
Sudeep
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