On 5/31/19 9:34 AM, Takashi Iwai wrote:
On Fri, 31 May 2019 16:25:26 +0200,
YueHaibing wrote:
while building without PCI:
sound/soc/sof/intel/hda.o: In function `hda_dsp_probe':
hda.c:(.text+0x79c): undefined reference to `pci_ioremap_bar'
hda.c:(.text+0x79c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `pci_ioremap_bar'
hda.c:(.text+0x7c4): undefined reference to `pci_ioremap_bar'
hda.c:(.text+0x7c4): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `pci_ioremap_bar'
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Fixes: e13ef82a9ab8 ("ASoC: SOF: add COMPILE_TEST for PCI options")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
sound/soc/sof/intel/hda.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c
index 68db2ac..c1703c4 100644
--- a/sound/soc/sof/intel/hda.c
+++ b/sound/soc/sof/intel/hda.c
@@ -231,7 +231,9 @@ static int hda_init(struct snd_sof_dev *sdev)
/* initialise hdac bus */
bus->addr = pci_resource_start(pci, 0);
+#if IS_ENABLED(CONFIG_PCI)
bus->remap_addr = pci_ioremap_bar(pci, 0);
+#endif
if (!bus->remap_addr) {
dev_err(bus->dev, "error: ioremap error\n");
return -ENXIO;
@@ -458,7 +460,9 @@ int hda_dsp_probe(struct snd_sof_dev *sdev)
goto hdac_bus_unmap;
/* DSP base */
+#if IS_ENABLED(CONFIG_PCI)
sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR);
+#endif
if (!sdev->bar[HDA_DSP_BAR]) {
dev_err(sdev->dev, "error: ioremap error\n");
ret = -ENXIO;
IMO, this should be better addressed by fixing in linux/pci.h
instead, something like below (totally untested).
Indeed. I wanted to first enable COMPILE_TEST for SOF and do a PCI
cleanup in a second stage. It might take a while to synchronize those
changes and check if there are additional functions needed by others.
thanks,
Takashi
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -2005,8 +2005,19 @@ static inline void pci_mmcfg_late_init(void) { }
int pci_ext_cfg_avail(void);
+#ifdef CONFIG_PCI
void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar);
void __iomem *pci_ioremap_wc_bar(struct pci_dev *pdev, int bar);
+#else
+static inline void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar)
+{
+ return NULL;
+}
+static inline void __iomem *pci_ioremap_wc_bar(struct pci_dev *pdev, int bar)
+{
+ return NULL;
+}
+#endif
#ifdef CONFIG_PCI_IOV
int pci_iov_virtfn_bus(struct pci_dev *dev, int id);
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