tpm_atmel.c (e5451c8f8330e03ad3cfa16048b4daf961af434f) tpm_atmel.c (8cfffc9d4d3786d3b496a021d7224e06328bac7d)
1/*
2 * Copyright (C) 2004 IBM Corporation
3 *
4 * Authors:
5 * Leendert van Doorn <leendert@watson.ibm.com>
6 * Dave Safford <safford@watson.ibm.com>
7 * Reiner Sailer <sailer@watson.ibm.com>
8 * Kylene Hall <kjhall@us.ibm.com>

--- 35 unchanged lines hidden (view full) ---

44
45 /* start reading header */
46 if (count < 6)
47 return -EIO;
48
49 for (i = 0; i < 6; i++) {
50 status = ioread8(chip->vendor.iobase + 1);
51 if ((status & ATML_STATUS_DATA_AVAIL) == 0) {
1/*
2 * Copyright (C) 2004 IBM Corporation
3 *
4 * Authors:
5 * Leendert van Doorn <leendert@watson.ibm.com>
6 * Dave Safford <safford@watson.ibm.com>
7 * Reiner Sailer <sailer@watson.ibm.com>
8 * Kylene Hall <kjhall@us.ibm.com>

--- 35 unchanged lines hidden (view full) ---

44
45 /* start reading header */
46 if (count < 6)
47 return -EIO;
48
49 for (i = 0; i < 6; i++) {
50 status = ioread8(chip->vendor.iobase + 1);
51 if ((status & ATML_STATUS_DATA_AVAIL) == 0) {
52 dev_err(chip->pdev, "error reading header\n");
52 dev_err(&chip->dev, "error reading header\n");
53 return -EIO;
54 }
55 *buf++ = ioread8(chip->vendor.iobase);
56 }
57
58 /* size of the data received */
59 native_size = (__force __be32 *) (hdr + 2);
60 size = be32_to_cpu(*native_size);
61
62 if (count < size) {
53 return -EIO;
54 }
55 *buf++ = ioread8(chip->vendor.iobase);
56 }
57
58 /* size of the data received */
59 native_size = (__force __be32 *) (hdr + 2);
60 size = be32_to_cpu(*native_size);
61
62 if (count < size) {
63 dev_err(chip->pdev,
63 dev_err(&chip->dev,
64 "Recv size(%d) less than available space\n", size);
65 for (; i < size; i++) { /* clear the waiting data anyway */
66 status = ioread8(chip->vendor.iobase + 1);
67 if ((status & ATML_STATUS_DATA_AVAIL) == 0) {
64 "Recv size(%d) less than available space\n", size);
65 for (; i < size; i++) { /* clear the waiting data anyway */
66 status = ioread8(chip->vendor.iobase + 1);
67 if ((status & ATML_STATUS_DATA_AVAIL) == 0) {
68 dev_err(chip->pdev, "error reading data\n");
68 dev_err(&chip->dev, "error reading data\n");
69 return -EIO;
70 }
71 }
72 return -EIO;
73 }
74
75 /* read all the data available */
76 for (; i < size; i++) {
77 status = ioread8(chip->vendor.iobase + 1);
78 if ((status & ATML_STATUS_DATA_AVAIL) == 0) {
69 return -EIO;
70 }
71 }
72 return -EIO;
73 }
74
75 /* read all the data available */
76 for (; i < size; i++) {
77 status = ioread8(chip->vendor.iobase + 1);
78 if ((status & ATML_STATUS_DATA_AVAIL) == 0) {
79 dev_err(chip->pdev, "error reading data\n");
79 dev_err(&chip->dev, "error reading data\n");
80 return -EIO;
81 }
82 *buf++ = ioread8(chip->vendor.iobase);
83 }
84
85 /* make sure data available is gone */
86 status = ioread8(chip->vendor.iobase + 1);
87
88 if (status & ATML_STATUS_DATA_AVAIL) {
80 return -EIO;
81 }
82 *buf++ = ioread8(chip->vendor.iobase);
83 }
84
85 /* make sure data available is gone */
86 status = ioread8(chip->vendor.iobase + 1);
87
88 if (status & ATML_STATUS_DATA_AVAIL) {
89 dev_err(chip->pdev, "data available is stuck\n");
89 dev_err(&chip->dev, "data available is stuck\n");
90 return -EIO;
91 }
92
93 return size;
94}
95
96static int tpm_atml_send(struct tpm_chip *chip, u8 *buf, size_t count)
97{
98 int i;
99
90 return -EIO;
91 }
92
93 return size;
94}
95
96static int tpm_atml_send(struct tpm_chip *chip, u8 *buf, size_t count)
97{
98 int i;
99
100 dev_dbg(chip->pdev, "tpm_atml_send:\n");
100 dev_dbg(&chip->dev, "tpm_atml_send:\n");
101 for (i = 0; i < count; i++) {
101 for (i = 0; i < count; i++) {
102 dev_dbg(chip->pdev, "%d 0x%x(%d)\n", i, buf[i], buf[i]);
102 dev_dbg(&chip->dev, "%d 0x%x(%d)\n", i, buf[i], buf[i]);
103 iowrite8(buf[i], chip->vendor.iobase);
104 }
105
106 return count;
107}
108
109static void tpm_atml_cancel(struct tpm_chip *chip)
110{

--- 117 unchanged lines hidden --- 		103 iowrite8(buf[i], chip->vendor.iobase);
104 }
105
106 return count;
107}
108
109static void tpm_atml_cancel(struct tpm_chip *chip)
110{

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