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Merge branch 'for-6.7/cxl' into cxl/next

Browse source 
Pickup some misc. CXL updates for v6.7.
This commit is contained in:
Dan Williams 2023-10-31 10:59:44 -07:00
commit de5512b2a2
5 changed files with 12 additions and 5 deletions
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1
MAINTAINERS
View file

@ -5183,6 +5183,7 @@ L: linux-cxl@vger.kernel.org
S: Maintained
F: drivers/cxl/
F: include/uapi/linux/cxl_mem.h
F: tools/testing/cxl/
COMPUTE EXPRESS LINK PMU (CPMU)
M: Jonathan Cameron <jonathan.cameron@huawei.com>

3
drivers/cxl/core/mbox.c
View file

@ -1249,8 +1249,7 @@ int cxl_mem_create_range_info(struct cxl_memdev_state *mds)
return 0;
}
cxlds->dpa_res =
(struct resource)DEFINE_RES_MEM(0, mds->total_bytes);
cxlds->dpa_res = DEFINE_RES_MEM(0, mds->total_bytes);
if (mds->partition_align_bytes == 0) {
rc = add_dpa_res(dev, &cxlds->dpa_res, &cxlds->ram_res, 0,

6
drivers/cxl/core/port.c
View file

@ -1522,7 +1522,11 @@ int devm_cxl_enumerate_ports(struct cxl_memdev *cxlmd)
struct cxl_dport *dport;
struct cxl_port *port;
if (!dport_dev)
/*
* The terminal "grandparent" in PCI is NULL and @platform_bus
* for platform devices
*/
if (!dport_dev || dport_dev == &platform_bus)
return 0;
uport_dev = dport_dev->parent;

2
drivers/cxl/core/region.c
View file

@ -123,7 +123,7 @@ static int cxl_region_invalidate_memregion(struct cxl_region *cxlr)
{
if (!cpu_cache_has_invalidate_memregion()) {
if (IS_ENABLED(CONFIG_CXL_REGION_INVALIDATION_TEST)) {
dev_warn_once(
dev_info_once(
&cxlr->dev,
"Bypassing cpu_cache_invalidate_memregion() for testing!\n");
return 0;

5
drivers/cxl/pci.c
View file

@ -85,6 +85,10 @@ static int cxl_pci_mbox_wait_for_doorbell(struct cxl_dev_state *cxlds)
status & CXLMDEV_DEV_FATAL ? " fatal" : "", \
status & CXLMDEV_FW_HALT ? " firmware-halt" : "")
/*
* Threaded irq dev_id's must be globally unique. cxl_dev_id provides a unique
* wrapper object for each irq within the same cxlds.
*/
struct cxl_dev_id {
struct cxl_dev_state *cxlds;
};
@ -95,7 +99,6 @@ static int cxl_request_irq(struct cxl_dev_state *cxlds, int irq,
struct device *dev = cxlds->dev;
struct cxl_dev_id *dev_id;
/* dev_id must be globally unique and must contain the cxlds */
dev_id = devm_kzalloc(dev, sizeof(*dev_id), GFP_KERNEL);
if (!dev_id)
return -ENOMEM;