change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/Documentation/driver-api/mtdnand.rst
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@@ -180,10 +180,10 @@
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     {
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         struct nand_chip *this = mtd_to_nand(mtd);
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         switch(cmd){
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-            case NAND_CTL_SETCLE: this->IO_ADDR_W |= CLE_ADRR_BIT;  break;
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-            case NAND_CTL_CLRCLE: this->IO_ADDR_W &= ~CLE_ADRR_BIT; break;
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-            case NAND_CTL_SETALE: this->IO_ADDR_W |= ALE_ADRR_BIT;  break;
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-            case NAND_CTL_CLRALE: this->IO_ADDR_W &= ~ALE_ADRR_BIT; break;
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+            case NAND_CTL_SETCLE: this->legacy.IO_ADDR_W |= CLE_ADRR_BIT;  break;
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+            case NAND_CTL_CLRCLE: this->legacy.IO_ADDR_W &= ~CLE_ADRR_BIT; break;
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+            case NAND_CTL_SETALE: this->legacy.IO_ADDR_W |= ALE_ADRR_BIT;  break;
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+            case NAND_CTL_CLRALE: this->legacy.IO_ADDR_W &= ~ALE_ADRR_BIT; break;
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         }
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     }
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@@ -197,7 +197,7 @@
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 should return 0, if the device is busy (R/B pin is low) and 1, if the
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 device is ready (R/B pin is high). If the hardware interface does not
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 give access to the ready busy pin, then the function must not be defined
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-and the function pointer this->dev_ready is set to NULL.
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+and the function pointer this->legacy.dev_ready is set to NULL.
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 Init function
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 -------------
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@@ -235,14 +235,14 @@
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         }
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         /* Set address of NAND IO lines */
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-        this->IO_ADDR_R = baseaddr;
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-        this->IO_ADDR_W = baseaddr;
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+        this->legacy.IO_ADDR_R = baseaddr;
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+        this->legacy.IO_ADDR_W = baseaddr;
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         /* Reference hardware control function */
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         this->hwcontrol = board_hwcontrol;
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         /* Set command delay time, see datasheet for correct value */
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-        this->chip_delay = CHIP_DEPENDEND_COMMAND_DELAY;
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+        this->legacy.chip_delay = CHIP_DEPENDEND_COMMAND_DELAY;
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         /* Assign the device ready function, if available */
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-        this->dev_ready = board_dev_ready;
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+        this->legacy.dev_ready = board_dev_ready;
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         this->eccmode = NAND_ECC_SOFT;
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         /* Scan to find existence of the device */
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@@ -276,8 +276,10 @@
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     #ifdef MODULE
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     static void __exit board_cleanup (void)
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     {
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-        /* Release resources, unregister device */
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-        nand_release (mtd_to_nand(board_mtd));
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+        /* Unregister device */
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+        WARN_ON(mtd_device_unregister(board_mtd));
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+        /* Release resources */
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+        nand_cleanup(mtd_to_nand(board_mtd));
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         /* unmap physical address */
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         iounmap(baseaddr);
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@@ -336,17 +338,17 @@
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         struct nand_chip *this = mtd_to_nand(mtd);
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         /* Deselect all chips */
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-        this->IO_ADDR_R &= ~BOARD_NAND_ADDR_MASK;
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-        this->IO_ADDR_W &= ~BOARD_NAND_ADDR_MASK;
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+        this->legacy.IO_ADDR_R &= ~BOARD_NAND_ADDR_MASK;
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+        this->legacy.IO_ADDR_W &= ~BOARD_NAND_ADDR_MASK;
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         switch (chip) {
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         case 0:
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-            this->IO_ADDR_R |= BOARD_NAND_ADDR_CHIP0;
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-            this->IO_ADDR_W |= BOARD_NAND_ADDR_CHIP0;
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+            this->legacy.IO_ADDR_R |= BOARD_NAND_ADDR_CHIP0;
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+            this->legacy.IO_ADDR_W |= BOARD_NAND_ADDR_CHIP0;
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             break;
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         ....
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         case n:
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-            this->IO_ADDR_R |= BOARD_NAND_ADDR_CHIPn;
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-            this->IO_ADDR_W |= BOARD_NAND_ADDR_CHIPn;
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+            this->legacy.IO_ADDR_R |= BOARD_NAND_ADDR_CHIPn;
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+            this->legacy.IO_ADDR_W |= BOARD_NAND_ADDR_CHIPn;
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             break;
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         }
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     }