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firmware: xilinx: Remove eemi ops for fpga related APIs

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Use direct function call instead of using eemi ops for fpga related
APIs. Also remove eemi ops structure.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Link: https://lore.kernel.org/r/1587761887-4279-21-git-send-email-jolly.shah@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rajan Vaja 2020-04-24 13:58:02 -07:00 committed by Greg Kroah-Hartman
parent bc86f9c546
commit 4db8180ffe
4 changed files with 16 additions and 49 deletions
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30
drivers/firmware/xilinx/zynqmp.c
View File

@ -24,8 +24,6 @@
#include <linux/firmware/xlnx-zynqmp.h>
#include "zynqmp-debug.h"
static const struct zynqmp_eemi_ops *eemi_ops_tbl;
static bool feature_check_enabled;
static u32 zynqmp_pm_features[PM_API_MAX];
@ -671,8 +669,7 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_reset_get_status);
*
* Return: Returns status, either success or error+reason
*/
static int zynqmp_pm_fpga_load(const u64 address, const u32 size,
const u32 flags)
int zynqmp_pm_fpga_load(const u64 address, const u32 size, const u32 flags)
{
return zynqmp_pm_invoke_fn(PM_FPGA_LOAD, lower_32_bits(address),
upper_32_bits(address), size, flags, NULL);
@ -687,7 +684,7 @@ static int zynqmp_pm_fpga_load(const u64 address, const u32 size,
*
* Return: Returns status, either success or error+reason
*/
static int zynqmp_pm_fpga_get_status(u32 *value)
int zynqmp_pm_fpga_get_status(u32 *value)
{
u32 ret_payload[PAYLOAD_ARG_CNT];
int ret;
@ -812,26 +809,6 @@ int zynqmp_pm_aes_engine(const u64 address, u32 *out)
}
EXPORT_SYMBOL_GPL(zynqmp_pm_aes_engine);
static const struct zynqmp_eemi_ops eemi_ops = {
.fpga_load = zynqmp_pm_fpga_load,
.fpga_get_status = zynqmp_pm_fpga_get_status,
};
/**
* zynqmp_pm_get_eemi_ops - Get eemi ops functions
*
* Return: Pointer of eemi_ops structure
*/
const struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void)
{
if (eemi_ops_tbl)
return eemi_ops_tbl;
else
return ERR_PTR(-EPROBE_DEFER);
}
EXPORT_SYMBOL_GPL(zynqmp_pm_get_eemi_ops);
static int zynqmp_firmware_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@ -878,9 +855,6 @@ static int zynqmp_firmware_probe(struct platform_device *pdev)
pr_info("%s Trustzone version v%d.%d\n", __func__,
pm_tz_version >> 16, pm_tz_version & 0xFFFF);
/* Assign eemi_ops_table */
eemi_ops_tbl = &eemi_ops;
zynqmp_pm_api_debugfs_init();
ret = mfd_add_devices(&pdev->dev, PLATFORM_DEVID_NONE, firmware_devs,

14
drivers/fpga/zynqmp-fpga.c
View File

@ -40,16 +40,12 @@ static int zynqmp_fpga_ops_write_init(struct fpga_manager *mgr,
static int zynqmp_fpga_ops_write(struct fpga_manager *mgr,
const char *buf, size_t size)
{
const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops();
struct zynqmp_fpga_priv *priv;
dma_addr_t dma_addr;
u32 eemi_flags = 0;
char *kbuf;
int ret;
if (IS_ERR_OR_NULL(eemi_ops) || !eemi_ops->fpga_load)
return -ENXIO;
priv = mgr->priv;
kbuf = dma_alloc_coherent(priv->dev, size, &dma_addr, GFP_KERNEL);
@ -63,7 +59,7 @@ static int zynqmp_fpga_ops_write(struct fpga_manager *mgr,
if (priv->flags & FPGA_MGR_PARTIAL_RECONFIG)
eemi_flags |= XILINX_ZYNQMP_PM_FPGA_PARTIAL;
ret = eemi_ops->fpga_load(dma_addr, size, eemi_flags);
ret = zynqmp_pm_fpga_load(dma_addr, size, eemi_flags);
dma_free_coherent(priv->dev, size, kbuf, dma_addr);
@ -78,13 +74,9 @@ static int zynqmp_fpga_ops_write_complete(struct fpga_manager *mgr,
static enum fpga_mgr_states zynqmp_fpga_ops_state(struct fpga_manager *mgr)
{
const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops();
u32 status;
u32 status = 0;
if (IS_ERR_OR_NULL(eemi_ops) || !eemi_ops->fpga_get_status)
return FPGA_MGR_STATE_UNKNOWN;
eemi_ops->fpga_get_status(&status);
zynqmp_pm_fpga_get_status(&status);
if (status & IXR_FPGA_DONE_MASK)
return FPGA_MGR_STATE_OPERATING;

5
drivers/spi/spi-zynqmp-gqspi.c
View File

@ -135,7 +135,6 @@
#define SPI_AUTOSUSPEND_TIMEOUT 3000
enum mode_type {GQSPI_MODE_IO, GQSPI_MODE_DMA};
static const struct zynqmp_eemi_ops *eemi_ops;
/**
* struct zynqmp_qspi - Defines qspi driver instance
@ -1015,10 +1014,6 @@ static int zynqmp_qspi_probe(struct platform_device *pdev)
struct zynqmp_qspi *xqspi;
struct device *dev = &pdev->dev;
eemi_ops = zynqmp_pm_get_eemi_ops();
if (IS_ERR(eemi_ops))
return PTR_ERR(eemi_ops);
master = spi_alloc_master(&pdev->dev, sizeof(*xqspi));
if (!master)
return -ENOMEM;

16
include/linux/firmware/xlnx-zynqmp.h
View File

@ -293,16 +293,11 @@ struct zynqmp_pm_query_data {
u32 arg3;
};
struct zynqmp_eemi_ops {
int (*fpga_load)(const u64 address, const u32 size, const u32 flags);
int (*fpga_get_status)(u32 *value);
};
int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 arg0, u32 arg1,
u32 arg2, u32 arg3, u32 *ret_payload);
#if IS_REACHABLE(CONFIG_ZYNQMP_FIRMWARE)
const struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void);
int zynqmp_pm_get_api_version(u32 *version);
int zynqmp_pm_get_chipid(u32 *idcode, u32 *version);
int zynqmp_pm_query_data(struct zynqmp_pm_query_data qdata, u32 *out);
@ -333,6 +328,8 @@ int zynqmp_pm_set_requirement(const u32 node, const u32 capabilities,
const u32 qos,
const enum zynqmp_pm_request_ack ack);
int zynqmp_pm_aes_engine(const u64 address, u32 *out);
int zynqmp_pm_fpga_load(const u64 address, const u32 size, const u32 flags);
int zynqmp_pm_fpga_get_status(u32 *value);
#else
static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void)
{
@ -450,6 +447,15 @@ static inline int zynqmp_pm_aes_engine(const u64 address, u32 *out)
{
return -ENODEV;
}
static inline int zynqmp_pm_fpga_load(const u64 address, const u32 size,
const u32 flags)
{
return -ENODEV;
}
static inline int zynqmp_pm_fpga_get_status(u32 *value)
{
return -ENODEV;
}
#endif
#endif /* __FIRMWARE_ZYNQMP_H__ */