git: 78564b68723f - stable/13 - Fix "set but not used" in smartpqi. The PCI_MEM macros don't require a physical/absolute address in FreeBSD, but it looks like the calling code might be somewhat portable to other OS's that do require this. Therefore, set the variables to __unused instead of removing the code entirely.

From: Warner Losh <imp_at_FreeBSD.org>
Date: Wed, 09 Mar 2022 20:52:59 UTC
The branch stable/13 has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=78564b68723f53bdd854da4e5cedf740289e956e

commit 78564b68723f53bdd854da4e5cedf740289e956e
Author:     Scott Long <scottl@FreeBSD.org>
AuthorDate: 2022-02-26 17:25:43 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2022-03-09 20:52:23 +0000

    Fix "set but not used" in smartpqi.  The PCI_MEM macros don't require a
    physical/absolute address in FreeBSD, but it looks like the calling
    code might be somewhat portable to other OS's that do require this.
    Therefore, set the variables to __unused instead of removing the code
    entirely.
    
    (cherry picked from commit e28289ca83673d753b7e479810947f6a1015ad39)
---
 sys/dev/smartpqi/smartpqi_helper.c | 2 +-
 sys/dev/smartpqi/smartpqi_init.c   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/dev/smartpqi/smartpqi_helper.c b/sys/dev/smartpqi/smartpqi_helper.c
index 809677c7cc1e..b49fb2d5a718 100644
--- a/sys/dev/smartpqi/smartpqi_helper.c
+++ b/sys/dev/smartpqi/smartpqi_helper.c
@@ -98,7 +98,7 @@ void
 pqisrc_configure_legacy_intx(pqisrc_softstate_t *softs, boolean_t enable_intx)
 {
 	uint32_t intx_mask;
-	uint32_t *reg_addr = NULL;
+	uint32_t *reg_addr __unused;
 
 	DBG_FUNC("IN\n");
 
diff --git a/sys/dev/smartpqi/smartpqi_init.c b/sys/dev/smartpqi/smartpqi_init.c
index 1f127cff21ec..6a9cca23f72d 100644
--- a/sys/dev/smartpqi/smartpqi_init.c
+++ b/sys/dev/smartpqi/smartpqi_init.c
@@ -590,7 +590,7 @@ pqisrc_process_config_table(pqisrc_softstate_t *softs)
 	int ret = PQI_STATUS_FAILURE;
 	uint32_t config_table_size;
 	uint32_t section_off;
-	uint8_t *config_table_abs_addr;
+	uint8_t *config_table_abs_addr __unused;
 	struct pqi_conf_table *conf_table;
 	struct pqi_conf_table_section_header *section_hdr;