[PATCH RFC 4/5] powerpc/pseries: Prepare pseries_add_hw_description() for runtime use

[Nathan Lynch via B4 Relay]

From: Nathan Lynch <nath...@linux.ibm.com>

pseries_add_hw_description() will be used after boot to update the
hardware description string emitted in stack dumps. Remove the __init
and make it take a seq_buf * parameter instead of referencing
ppc_hw_desc directly.

Signed-off-by: Nathan Lynch <nath...@linux.ibm.com>
---
 arch/powerpc/platforms/pseries/setup.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/platforms/pseries/setup.c 
b/arch/powerpc/platforms/pseries/setup.c
index ecea85c74c43..9ae1951f8312 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -1007,7 +1007,7 @@ static void __init pSeries_cmo_feature_init(void)
        pr_debug(" <- fw_cmo_feature_init()\n");
 }
 
-static void __init pseries_add_hw_description(void)
+static void pseries_add_hw_description(struct seq_buf *sb)
 {
        struct device_node *dn;
        const char *s;
@@ -1015,7 +1015,7 @@ static void __init pseries_add_hw_description(void)
        dn = of_find_node_by_path("/openprom");
        if (dn) {
                if (of_property_read_string(dn, "model", &s) == 0)
-                       seq_buf_printf(&ppc_hw_desc, "of:%s ", s);
+                       seq_buf_printf(sb, "of:%s ", s);
 
                of_node_put(dn);
        }
@@ -1023,7 +1023,7 @@ static void __init pseries_add_hw_description(void)
        dn = of_find_node_by_path("/hypervisor");
        if (dn) {
                if (of_property_read_string(dn, "compatible", &s) == 0)
-                       seq_buf_printf(&ppc_hw_desc, "hv:%s ", s);
+                       seq_buf_printf(sb, "hv:%s ", s);
 
                of_node_put(dn);
                return;
@@ -1031,7 +1031,7 @@ static void __init pseries_add_hw_description(void)
 
        if (of_property_read_bool(of_root, "ibm,powervm-partition") ||
            of_property_read_bool(of_root, "ibm,fw-net-version"))
-               seq_buf_printf(&ppc_hw_desc, "hv:phyp ");
+               seq_buf_printf(sb, "hv:phyp ");
 }
 
 /*
@@ -1041,7 +1041,7 @@ static void __init pseries_init(void)
 {
        pr_debug(" -> pseries_init()\n");
 
-       pseries_add_hw_description();
+       pseries_add_hw_description(&ppc_hw_desc);
 
 #ifdef CONFIG_HVC_CONSOLE
        if (firmware_has_feature(FW_FEATURE_LPAR))

-- 
2.43.0