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-rw-r--r--arch/powerpc/sysdev/xics/icp-hv.c38
1 files changed, 27 insertions, 11 deletions
diff --git a/arch/powerpc/sysdev/xics/icp-hv.c b/arch/powerpc/sysdev/xics/icp-hv.c
index 9518d367a64f..784b3fc6f071 100644
--- a/arch/powerpc/sysdev/xics/icp-hv.c
+++ b/arch/powerpc/sysdev/xics/icp-hv.c
@@ -27,33 +27,49 @@ static inline unsigned int icp_hv_get_xirr(unsigned char cppr)
27{ 27{
28 unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; 28 unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
29 long rc; 29 long rc;
30 unsigned int ret = XICS_IRQ_SPURIOUS;
30 31
31 rc = plpar_hcall(H_XIRR, retbuf, cppr); 32 rc = plpar_hcall(H_XIRR, retbuf, cppr);
32 if (rc != H_SUCCESS) 33 if (rc == H_SUCCESS) {
33 panic(" bad return code xirr - rc = %lx\n", rc); 34 ret = (unsigned int)retbuf[0];
34 return (unsigned int)retbuf[0]; 35 } else {
36 pr_err("%s: bad return code xirr cppr=0x%x returned %ld\n",
37 __func__, cppr, rc);
38 WARN_ON_ONCE(1);
39 }
40
41 return ret;
35} 42}
36 43
37static inline void icp_hv_set_xirr(unsigned int value) 44static inline void icp_hv_set_xirr(unsigned int value)
38{ 45{
39 long rc = plpar_hcall_norets(H_EOI, value); 46 long rc = plpar_hcall_norets(H_EOI, value);
40 if (rc != H_SUCCESS) 47 if (rc != H_SUCCESS) {
41 panic("bad return code EOI - rc = %ld, value=%x\n", rc, value); 48 pr_err("%s: bad return code eoi xirr=0x%x returned %ld\n",
49 __func__, value, rc);
50 WARN_ON_ONCE(1);
51 }
42} 52}
43 53
44static inline void icp_hv_set_cppr(u8 value) 54static inline void icp_hv_set_cppr(u8 value)
45{ 55{
46 long rc = plpar_hcall_norets(H_CPPR, value); 56 long rc = plpar_hcall_norets(H_CPPR, value);
47 if (rc != H_SUCCESS) 57 if (rc != H_SUCCESS) {
48 panic("bad return code cppr - rc = %lx\n", rc); 58 pr_err("%s: bad return code cppr cppr=0x%x returned %ld\n",
59 __func__, value, rc);
60 WARN_ON_ONCE(1);
61 }
49} 62}
50 63
51static inline void icp_hv_set_qirr(int n_cpu , u8 value) 64static inline void icp_hv_set_qirr(int n_cpu , u8 value)
52{ 65{
53 long rc = plpar_hcall_norets(H_IPI, get_hard_smp_processor_id(n_cpu), 66 int hw_cpu = get_hard_smp_processor_id(n_cpu);
54 value); 67 long rc = plpar_hcall_norets(H_IPI, hw_cpu, value);
55 if (rc != H_SUCCESS) 68 if (rc != H_SUCCESS) {
56 panic("bad return code qirr - rc = %lx\n", rc); 69 pr_err("%s: bad return code qirr cpu=%d hw_cpu=%d mfrr=0x%x "
70 "returned %ld\n", __func__, n_cpu, hw_cpu, value, rc);
71 WARN_ON_ONCE(1);
72 }
57} 73}
58 74
59static void icp_hv_eoi(struct irq_data *d) 75static void icp_hv_eoi(struct irq_data *d)