device: Use pcidev_on_root()

Change-Id: Icf34b39d80f6e46d32a39b68f38fb2752c0bcebc
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/26484
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Piotr Król <piotr.krol@3mdeb.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

18 files changed, 24 insertions, 27 deletions

diff --git a/src/soc/intel/baytrail/pmutil.c b/src/soc/intel/baytrail/pmutil.c
index 06751f1a80..be870fc8b9 100644
--- a/src/soc/intel/baytrail/pmutil.c
+++ b/src/soc/intel/baytrail/pmutil.c
@@ -43,7 +43,7 @@ static struct device *pcu_dev;
 static struct device *get_pcu_dev(void)
 {
 	if (pcu_dev == NULL)
-		pcu_dev = dev_find_slot(0, PCI_DEVFN(PCU_DEV, 0));
+		pcu_dev = pcidev_on_root(PCU_DEV, 0);
 	return pcu_dev;
 }
 #endif
diff --git a/src/soc/intel/baytrail/ramstage.c b/src/soc/intel/baytrail/ramstage.c
index e9925a24f5..1715198c51 100644
--- a/src/soc/intel/baytrail/ramstage.c
+++ b/src/soc/intel/baytrail/ramstage.c
@@ -80,7 +80,7 @@ static void fill_in_pattrs(void)
 	struct pattrs *attrs = (struct pattrs *)pattrs_get();
 
 	attrs->cpuid = cpuid_eax(1);
-	dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
 	attrs->revid = pci_read_config8(dev, REVID);
 	/* The revision to stepping IDs have two values per metal stepping. */
 	if (attrs->revid >= RID_D_STEPPING_START) {
diff --git a/src/soc/intel/baytrail/romstage/pmc.c b/src/soc/intel/baytrail/romstage/pmc.c
index b47f7dfe6c..e77d00d36c 100644
--- a/src/soc/intel/baytrail/romstage/pmc.c
+++ b/src/soc/intel/baytrail/romstage/pmc.c
@@ -44,7 +44,7 @@ void punit_init(void)
 	const struct soc_intel_baytrail_config *cfg = NULL;
 
 	rid = pci_read_config8(IOSF_PCI_DEV, REVID);
-	dev = dev_find_slot(0, PCI_DEVFN(SOC_DEV, SOC_FUNC));
+	dev = pcidev_on_root(SOC_DEV, SOC_FUNC);
 
 	if (dev)
 		cfg = dev->chip_info;
diff --git a/src/soc/intel/baytrail/spi.c b/src/soc/intel/baytrail/spi.c
index d893816145..81e118c4e6 100644
--- a/src/soc/intel/baytrail/spi.c
+++ b/src/soc/intel/baytrail/spi.c
@@ -267,7 +267,7 @@ static ich9_spi_regs *spi_regs(void)
 #ifdef __SMM__
 	pci_devfn_t dev = PCI_DEV(0, LPC_DEV, LPC_FUNC);
 #else
-	struct device *dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	struct device *dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
 #endif
 	pci_read_config_dword(dev, SBASE, &sbase);
 	sbase &= ~0x1ff;
diff --git a/src/soc/intel/braswell/chip.c b/src/soc/intel/braswell/chip.c
index ccd6c9fe41..7a63b5b715 100644
--- a/src/soc/intel/braswell/chip.c
+++ b/src/soc/intel/braswell/chip.c
@@ -86,7 +86,7 @@ __weak void board_silicon_USB2_override(SILICON_INIT_UPD *params)
 
 void soc_silicon_init_params(SILICON_INIT_UPD *params)
 {
-	struct device *dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	struct device *dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
 	struct soc_intel_braswell_config *config;
 
 	if (!dev) {
@@ -406,7 +406,7 @@ struct pci_operations soc_pci_ops = {
 **/
 int SocStepping(void)
 {
-	struct device *dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	struct device *dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
 	u8 revid = pci_read_config8(dev, 0x8);
 
 	switch (revid & B_PCH_LPC_RID_STEPPING_MASK) {
diff --git a/src/soc/intel/braswell/pmutil.c b/src/soc/intel/braswell/pmutil.c
index 85384a6120..8dbb499202 100644
--- a/src/soc/intel/braswell/pmutil.c
+++ b/src/soc/intel/braswell/pmutil.c
@@ -44,7 +44,7 @@ static struct device *pcu_dev;
 static struct device *get_pcu_dev(void)
 {
 	if (pcu_dev == NULL)
-		pcu_dev = dev_find_slot(0, PCI_DEVFN(PCU_DEV, 0));
+		pcu_dev = pcidev_on_root(PCU_DEV, 0);
 	return pcu_dev;
 }
 #endif /* ENV_SMM */
diff --git a/src/soc/intel/braswell/ramstage.c b/src/soc/intel/braswell/ramstage.c
index a12db8034d..b8362cdc58 100644
--- a/src/soc/intel/braswell/ramstage.c
+++ b/src/soc/intel/braswell/ramstage.c
@@ -84,7 +84,7 @@ static void fill_in_pattrs(void)
 	struct pattrs *attrs = (struct pattrs *)pattrs_get();
 
 	attrs->cpuid = cpuid_eax(1);
-	dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
 	attrs->revid = pci_read_config8(dev, REVID);
 	/* The revision to stepping IDs have two values per metal stepping. */
     if (attrs->revid >= RID_D_STEPPING_START) {
diff --git a/src/soc/intel/braswell/romstage/romstage.c b/src/soc/intel/braswell/romstage/romstage.c
index 14eaa6b3a8..9b9a0eba5d 100644
--- a/src/soc/intel/braswell/romstage/romstage.c
+++ b/src/soc/intel/braswell/romstage/romstage.c
@@ -216,7 +216,7 @@ void soc_memory_init_params(struct romstage_params *params,
 	const struct soc_intel_braswell_config *config;
 
 	/* Set the parameters for MemoryInit */
-	dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
 
 	if (!dev) {
 		printk(BIOS_ERR,
diff --git a/src/soc/intel/braswell/spi.c b/src/soc/intel/braswell/spi.c
index a5f835d55a..988832d09d 100644
--- a/src/soc/intel/braswell/spi.c
+++ b/src/soc/intel/braswell/spi.c
@@ -236,7 +236,7 @@ static ich9_spi_regs *spi_regs(void)
 #if ENV_SMM
 	pci_devfn_t dev = PCI_DEV(0, LPC_DEV, LPC_FUNC);
 #else
-	struct device *dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	struct device *dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
 #endif
 	if (!dev) {
 		printk(BIOS_ERR, "%s: PCI device not found", __func__);
diff --git a/src/soc/intel/common/block/lpc/lpc_lib.c b/src/soc/intel/common/block/lpc/lpc_lib.c
index 2fe5b39c0a..fb50b7401e 100644
--- a/src/soc/intel/common/block/lpc/lpc_lib.c
+++ b/src/soc/intel/common/block/lpc/lpc_lib.c
@@ -265,7 +265,7 @@ static void pch_lpc_interrupt_init(void)
 {
 	const struct device *dev;
 
-	dev = dev_find_slot(0, PCI_DEVFN(PCH_DEV_SLOT_LPC, 0));
+	dev = pcidev_on_root(PCH_DEV_SLOT_LPC, 0);
 	if (!dev || !dev->chip_info)
 		return;
 
@@ -278,7 +278,7 @@ void pch_enable_lpc(void)
 	const struct device *dev;
 	uint32_t gen_io_dec[LPC_NUM_GENERIC_IO_RANGES];
 
-	dev = dev_find_slot(0, PCI_DEVFN(PCH_DEV_SLOT_LPC, 0));
+	dev = pcidev_on_root(PCH_DEV_SLOT_LPC, 0);
 	if (!dev || !dev->chip_info)
 		return;
 
diff --git a/src/soc/intel/fsp_baytrail/i2c.c b/src/soc/intel/fsp_baytrail/i2c.c
index 95761f3d19..22e565fd46 100644
--- a/src/soc/intel/fsp_baytrail/i2c.c
+++ b/src/soc/intel/fsp_baytrail/i2c.c
@@ -114,7 +114,7 @@ int i2c_init(unsigned bus)
 
 	base_ptr = (char*)base_adr[bus];
 	/* Set the I2C-device the user wants to use */
-	dev = dev_find_slot(0, PCI_DEVFN(I2C1_DEV, bus + 1));
+	dev = pcidev_on_root(I2C1_DEV, bus + 1);
 
 	/* Ensure we have the right PCI device */
 	if ((pci_read_config16(dev, 0x0) != I2C_PCI_VENDOR_ID) ||
@@ -171,7 +171,7 @@ int i2c_read(unsigned bus, unsigned chip, unsigned addr,
 	int stat;
 
 	/* Get base address of desired I2C-controller */
-	dev = dev_find_slot(0, PCI_DEVFN(I2C1_DEV, bus + 1));
+	dev = pcidev_on_root(I2C1_DEV, bus + 1);
 	base_ptr = (char *)pci_read_config32(dev, PCI_BASE_ADDRESS_0);
 	if (base_ptr == NULL) {
 		printk(BIOS_INFO, "I2C: Invalid Base address\n");
@@ -230,7 +230,7 @@ int i2c_write(unsigned bus, unsigned chip, unsigned addr,
 	int stat;
 
 	/* Get base address of desired I2C-controller */
-	dev = dev_find_slot(0, PCI_DEVFN(I2C1_DEV, bus + 1));
+	dev = pcidev_on_root(I2C1_DEV, bus + 1);
 	base_ptr = (char *)pci_read_config32(dev, PCI_BASE_ADDRESS_0);
 	if (base_ptr == NULL) {
 		return I2C_ERR_INVALID_ADR;
diff --git a/src/soc/intel/fsp_baytrail/northcluster.c b/src/soc/intel/fsp_baytrail/northcluster.c
index 93cd2f251d..416746d79e 100644
--- a/src/soc/intel/fsp_baytrail/northcluster.c
+++ b/src/soc/intel/fsp_baytrail/northcluster.c
@@ -92,7 +92,7 @@ static int get_pcie_bar(u32 *base)
 
 	*base = 0;
 
-	dev = dev_find_slot(0, PCI_DEVFN(0, 0));
+	dev = pcidev_on_root(0, 0);
 	if (!dev)
 		return 0;
 
diff --git a/src/soc/intel/fsp_baytrail/pmutil.c b/src/soc/intel/fsp_baytrail/pmutil.c
index 402842eb74..6e4a7c8ef5 100644
--- a/src/soc/intel/fsp_baytrail/pmutil.c
+++ b/src/soc/intel/fsp_baytrail/pmutil.c
@@ -41,7 +41,7 @@ static struct device *pcu_dev;
 static struct device *get_pcu_dev(void)
 {
 	if (pcu_dev == NULL)
-		pcu_dev = dev_find_slot(0, PCI_DEVFN(PCU_DEV, 0));
+		pcu_dev = pcidev_on_root(PCU_DEV, 0);
 	return pcu_dev;
 }
 #endif
diff --git a/src/soc/intel/fsp_baytrail/ramstage.c b/src/soc/intel/fsp_baytrail/ramstage.c
index f4cdaa8300..754c5f5c45 100644
--- a/src/soc/intel/fsp_baytrail/ramstage.c
+++ b/src/soc/intel/fsp_baytrail/ramstage.c
@@ -78,7 +78,7 @@ static void fill_in_pattrs(void)
 	struct pattrs *attrs = (struct pattrs *)pattrs_get();
 
 	attrs->cpuid = cpuid_eax(1);
-	dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
 	attrs->revid = pci_read_config8(dev, REVID);
 	/* The revision to stepping IDs have two values per metal stepping. */
 	if (attrs->revid >= RID_D_STEPPING_START) {
diff --git a/src/soc/intel/fsp_baytrail/spi.c b/src/soc/intel/fsp_baytrail/spi.c
index 4537bcc339..41d5150f4d 100644
--- a/src/soc/intel/fsp_baytrail/spi.c
+++ b/src/soc/intel/fsp_baytrail/spi.c
@@ -254,11 +254,9 @@ static ich9_spi_regs *spi_regs(void)
 	uint32_t sbase;
 
 #ifdef __SMM__
-	pci_devfn_t dev;
-	dev = PCI_DEV(0, LPC_DEV, LPC_FUNC);
+	pci_devfn_t dev = PCI_DEV(0, LPC_DEV, LPC_FUNC);
 #else
-	struct device *dev;
-	dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	struct device *dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
 #endif
 	pci_read_config_dword(dev, SBASE, &sbase);
 	sbase &= ~0x1ff;
diff --git a/src/soc/intel/fsp_broadwell_de/acpi.c b/src/soc/intel/fsp_broadwell_de/acpi.c
index ad88313ade..0b07ea8c4c 100644
--- a/src/soc/intel/fsp_broadwell_de/acpi.c
+++ b/src/soc/intel/fsp_broadwell_de/acpi.c
@@ -81,7 +81,7 @@ static int acpi_sci_irq(void)
 {
 	uint8_t actl = 0;
 	static uint8_t sci_irq = 0;
-	struct device *dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	struct device *dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
 
 	/* If this function was already called, just return the stored value. */
 	if (sci_irq)
diff --git a/src/soc/intel/fsp_broadwell_de/ramstage.c b/src/soc/intel/fsp_broadwell_de/ramstage.c
index 7b94268a02..492378ec4b 100644
--- a/src/soc/intel/fsp_broadwell_de/ramstage.c
+++ b/src/soc/intel/fsp_broadwell_de/ramstage.c
@@ -62,7 +62,7 @@ static void fill_in_pattrs(void)
 
 	attrs->cpuid = cpuid_eax(1);
 	attrs->stepping = (attrs->cpuid & 0x0F) - 1;
-	dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
 	attrs->revid = pci_read_config8(dev, REVID);
 	attrs->microcode_patch = intel_microcode_find();
 	attrs->address_bits = cpuid_eax(0x80000008) & 0xff;
diff --git a/src/soc/intel/quark/acpi.c b/src/soc/intel/quark/acpi.c
index 960b53f675..83bed34347 100644
--- a/src/soc/intel/quark/acpi.c
+++ b/src/soc/intel/quark/acpi.c
@@ -31,9 +31,8 @@ unsigned long acpi_fill_mcfg(unsigned long current)
 
 void acpi_fill_in_fadt(acpi_fadt_t *fadt)
 {
-	struct device *dev = dev_find_slot(0,
-		PCI_DEVFN(PCI_DEVICE_NUMBER_QNC_LPC,
-		PCI_FUNCTION_NUMBER_QNC_LPC));
+	struct device *dev = pcidev_on_root(PCI_DEVICE_NUMBER_QNC_LPC,
+			PCI_FUNCTION_NUMBER_QNC_LPC);
 	uint32_t gpe0_base = pci_read_config32(dev, R_QNC_LPC_GPE0BLK)
 		& B_QNC_LPC_GPE0BLK_MASK;
 	uint32_t pmbase = pci_read_config32(dev, R_QNC_LPC_PM1BLK)